Q: What is the sum of all factors of the number 8,990 excluding 8,990?
A: 8,290
The factors of the number 8,990 are: 1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 4495, 8990.
If you add them up, you will get the total of 8,998. Now subtract 8,990 to get 8,290