Q: What is the sum of all factors of the number 100,409 excluding 100,409?
A: 7,111
The factors of the number 100,409 are: 1, 31, 41, 79, 1271, 2449, 3239, 100409.
If you add them up, you will get the total of 100,416. Now subtract 100,409 to get 7,111