Q: What is the sum of all factors of the number 215,290 excluding 215,290?
A: 172,250
The factors of the number 215,290 are: 1, 2, 5, 10, 21529, 43058, 107645, 215290.
If you add them up, you will get the total of 215,462. Now subtract 215,290 to get 172,250