Q: What is the sum of all factors of the number 3,430 excluding 3,430?
A: 3,770
The factors of the number 3,430 are: 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430.
If you add them up, you will get the total of 3,433. Now subtract 3,430 to get 3,770