Q: What is the sum of all factors of the number 517,280 excluding 517,280?

A: 748,264

Why is 748,264 the sum of all factors of 517,280, excluding 517,280?

The factors of the number 517,280 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 61, 80, 106, 122, 160, 212, 244, 265, 305, 424, 488, 530, 610, 848, 976, 1060, 1220, 1696, 1952, 2120, 2440, 3233, 4240, 4880, 6466, 8480, 9760, 12932, 16165, 25864, 32330, 51728, 64660, 103456, 129320, 258640, 517280.

If you add them up, you will get the total of 518,028. Now subtract 517,280 to get 748,264