The factors of the number 101,474,520 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 107, 120, 140, 168, 210, 214, 280, 321, 420, 428, 535, 642, 749, 840, 856, 1070, 1129, 1284, 1498, 1605, 2140, 2247, 2258, 2568, 2996, 3210, 3387, 3745, 4280, 4494, 4516, 5645, 5992, 6420, 6774, 7490, 7903, 8988, 9032, 11235, 11290, 12840, 13548, 14980, 15806, 16935, 17976, 22470, 22580, 23709, 27096, 29960, 31612, 33870, 39515, 44940, 45160, 47418, 63224, 67740, 79030, 89880, 94836, 118545, 120803, 135480, 158060, 189672, 237090, 241606, 316120, 362409, 474180, 483212, 604015, 724818, 845621, 948360, 966424, 1208030, 1449636, 1691242, 1812045, 2416060, 2536863, 2899272, 3382484, 3624090, 4228105, 4832120, 5073726, 6764968, 7248180, 8456210, 10147452, 12684315, 14496360, 16912420, 20294904, 25368630, 33824840, 50737260, 101474520.
If you add them up, you will get the total of 101,474,770. Now subtract 101,474,520 to get 250,000,680