Q: What is the sum of all factors of the number 30,990 excluding 30,990?
A: 43,458
The factors of the number 30,990 are: 1, 2, 3, 5, 6, 10, 15, 30, 1033, 2066, 3099, 5165, 6198, 10330, 15495, 30990.
If you add them up, you will get the total of 31,033. Now subtract 30,990 to get 43,458