Q: What is the sum of all factors of the number 681,424 including 681,424?
A: 1,320,290
The factors of the number 681,424 are: 1, 2, 4, 8, 16, 42589, 85178, 170356, 340712, 681424.
If you add them up, you will get the total of 1,320,290.