Q: What is the sum of all factors of the number 138,440 including 138,440?
A: 311,580
The factors of the number 138,440 are: 1, 2, 4, 5, 8, 10, 20, 40, 3461, 6922, 13844, 17305, 27688, 34610, 69220, 138440.
If you add them up, you will get the total of 311,580.