Q: What is the sum of all factors of the number 399,724 excluding 399,724?
A: 353,700
The factors of the number 399,724 are: 1, 2, 4, 13, 26, 52, 7687, 15374, 30748, 99931, 199862, 399724.
If you add them up, you will get the total of 400,077. Now subtract 399,724 to get 353,700