Q: What is the sum of all factors of the number 399,788 including 399,788?
A: 708,120
The factors of the number 399,788 are: 1, 2, 4, 89, 178, 356, 1123, 2246, 4492, 99947, 199894, 399788.
If you add them up, you will get the total of 708,120.