Q: What is the sum of all factors of the number 396,680 including 396,680?
A: 915,840
The factors of the number 396,680 are: 1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 211, 235, 376, 422, 470, 844, 940, 1055, 1688, 1880, 2110, 4220, 8440, 9917, 19834, 39668, 49585, 79336, 99170, 198340, 396680.
If you add them up, you will get the total of 915,840.