Q: What is the sum of all factors of the number 210,990 excluding 210,990?
A: 335,346
The factors of the number 210,990 are: 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 541, 1082, 1623, 2705, 3246, 5410, 7033, 8115, 14066, 16230, 21099, 35165, 42198, 70330, 105495, 210990.
If you add them up, you will get the total of 211,325. Now subtract 210,990 to get 335,346