Q: What is the sum of all factors of the number 69,980 excluding 69,980?
A: 77,020
The factors of the number 69,980 are: 1, 2, 4, 5, 10, 20, 3499, 6998, 13996, 17495, 34990, 69980.
If you add them up, you will get the total of 70,057. Now subtract 69,980 to get 77,020