Q: What is the sum of all factors of the number 228,727,880 excluding 228,727,880?

A: 287,582,320

Why is 287,582,320 the sum of all factors of 228,727,880, excluding 228,727,880?

The factors of the number 228,727,880 are: 1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 18269, 36538, 73076, 91345, 146152, 182690, 365380, 730760, 5718197, 11436394, 22872788, 28590985, 45745576, 57181970, 114363940, 228727880.

If you add them up, you will get the total of 228,728,167. Now subtract 228,727,880 to get 287,582,320