Q: What is the sum of all factors of the number 721,620,712 excluding 721,620,712?

A: 662,740,568

Why is 662,740,568 the sum of all factors of 721,620,712, excluding 721,620,712?

The factors of the number 721,620,712 are: 1, 2, 4, 8, 71, 113, 142, 226, 284, 452, 568, 904, 8023, 11243, 16046, 22486, 32092, 44972, 64184, 89944, 798253, 1270459, 1596506, 2540918, 3193012, 5081836, 6386024, 10163672, 90202589, 180405178, 360810356, 721620712.

If you add them up, you will get the total of 721,621,374. Now subtract 721,620,712 to get 662,740,568