Q: What is the sum of all factors of the number 162,990 excluding 162,990?
A: 261,018
The factors of the number 162,990 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1811, 3622, 5433, 9055, 10866, 16299, 18110, 27165, 32598, 54330, 81495, 162990.
If you add them up, you will get the total of 163,251. Now subtract 162,990 to get 261,018