1. A radiographic image capturing apparatus for capturing radiographic images by controlling a radiation generator and a detection device for converting an intensity distribution of radiation generated by the radiation generator into image information, comprising: a determination unit configured to determine an exposure condition of each frame in dynamic image radiography so as to set a total irradiation dose of radiation for the dynamic image radiography to be equal to or less than an irradiation dose required for a single static image radiography on the basis of the exposure condition of the dynamic image radiography; and a capturing unit configured to capture a radiographic image of each frame under the exposure condition determined by said determination unit.