Q: What is the sum of all factors of the number 3,404 excluding 3,404?
A: 2,980
The factors of the number 3,404 are: 1, 2, 4, 23, 37, 46, 74, 92, 148, 851, 1702, 3404.
If you add them up, you will get the total of 3,406. Now subtract 3,404 to get 2,980