Q: What is the sum of all factors of the number 398,972 excluding 398,972?
A: 399,028
The factors of the number 398,972 are: 1, 2, 4, 7, 14, 28, 14249, 28498, 56996, 99743, 199486, 398972.
If you add them up, you will get the total of 399,371. Now subtract 398,972 to get 399,028