Q: What is the sum of all factors of the number 531,518,800 excluding 531,518,800?

A: 745,456,078

Why is 745,456,078 the sum of all factors of 531,518,800, excluding 531,518,800?

The factors of the number 531,518,800 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1328797, 2657594, 5315188, 6643985, 10630376, 13287970, 21260752, 26575940, 33219925, 53151880, 66439850, 106303760, 132879700, 265759400, 531518800.

If you add them up, you will get the total of 531,519,545. Now subtract 531,518,800 to get 745,456,078