Q: What is the sum of all factors of the number 315,440 excluding 315,440?
A: 418,144
The factors of the number 315,440 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3943, 7886, 15772, 19715, 31544, 39430, 63088, 78860, 157720, 315440.
If you add them up, you will get the total of 315,858. Now subtract 315,440 to get 418,144