Q: What is the sum of all factors of the number 391,660 excluding 391,660?
A: 430,868
The factors of the number 391,660 are: 1, 2, 4, 5, 10, 20, 19583, 39166, 78332, 97915, 195830, 391660.
If you add them up, you will get the total of 392,090. Now subtract 391,660 to get 430,868