Q: What is the sum of all factors of the number 666,760 excluding 666,760?
A: 859,640
The factors of the number 666,760 are: 1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 211, 316, 395, 422, 632, 790, 844, 1055, 1580, 1688, 2110, 3160, 4220, 8440, 16669, 33338, 66676, 83345, 133352, 166690, 333380, 666760.
If you add them up, you will get the total of 667,619. Now subtract 666,760 to get 859,640