Q: What is the sum of all factors of the number 129,100 excluding 129,100?
A: 151,264
The factors of the number 129,100 are: 1, 2, 4, 5, 10, 20, 25, 50, 100, 1291, 2582, 5164, 6455, 12910, 25820, 32275, 64550, 129100.
If you add them up, you will get the total of 129,251. Now subtract 129,100 to get 151,264