Q: What is the sum of all factors of the number 157,720 excluding 157,720?
A: 197,240
The factors of the number 157,720 are: 1, 2, 4, 5, 8, 10, 20, 40, 3943, 7886, 15772, 19715, 31544, 39430, 78860, 157720.
If you add them up, you will get the total of 157,917. Now subtract 157,720 to get 197,240