public static void solve ( ) {
  Scanner sc = new Scanner ( System . in ) ;
  int n = sc . nextInt ( ) ;
  int k = sc . nextInt ( ) ;
  long count = 0 ;
  if ( k == 0 ) {
    count = ( long ) n * ( long ) n ;
  }
  else {
    for ( int i = 2 ;
    i <= n ;
    i ++ ) {
      if ( i > k ) {
        count += ( long ) Math . max ( 0 , n / i * ( i - k ) ) ;
        count += ( long ) Math . max ( 0 , ( n % i ) - k + 1 ) ;
      }
    }
  }
  System . out . println ( count ) ;
}

public static void solve ( ) { Scanner sc = new Scanner ( System . in ) ; int n = sc . nextInt ( ) ; int k = sc . nextInt ( ) ; long count = 0 ; if ( k == 0 ) { count = ( long ) n * ( long ) n ; } else { for ( int i = 2 ; i <= n ; i ++ ) { if ( i > k ) { count += ( long ) Math . max ( 0 , n / i * ( i - k ) ) ; count += ( long ) Math . max ( 0 , ( n % i ) - k + 1 ) ; } } } System . out . println ( count ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (cast_expression type: (integral_type) value: (identifier)) right: (cast_expression type: (integral_type) value: (identifier)))))) alternative: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (cast_expression type: (integral_type) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal) (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))))))))) (expression_statement (assignment_expression left: (identifier) right: (cast_expression type: (integral_type) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal) (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (identifier)) right: (decimal_integer_literal))))))))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))