Q: What is the sum of all factors of the number 120,990 excluding 120,990?
A: 179,970
The factors of the number 120,990 are: 1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 109, 111, 185, 218, 222, 327, 370, 545, 555, 654, 1090, 1110, 1635, 3270, 4033, 8066, 12099, 20165, 24198, 40330, 60495, 120990.
If you add them up, you will get the total of 121,169. Now subtract 120,990 to get 179,970