An operation management system for managing a mobile radiation generating device includes a hardware processor that repeatedly acquires positional information including a position at which the mobile radiation generating device is present and a time when the mobile radiation generating device is present at the position, sequentially records positional information as repeatedly acquired in a memory, generates operation information related to a past operation of the mobile radiation generating device on the basis of a plurality of pieces of positional information as recorded, and causes a display to display the operation information as generated.
