Q: What is the sum of all factors of the number 680,720 excluding 680,720?

A: 938,224

Why is 938,224 the sum of all factors of 680,720, excluding 680,720?

The factors of the number 680,720 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 127, 134, 254, 268, 335, 508, 536, 635, 670, 1016, 1072, 1270, 1340, 2032, 2540, 2680, 5080, 5360, 8509, 10160, 17018, 34036, 42545, 68072, 85090, 136144, 170180, 340360, 680720.

If you add them up, you will get the total of 681,658. Now subtract 680,720 to get 938,224