Q: What is the sum of all factors of the number 666,980 including 666,980?
A: 1,400,700
The factors of the number 666,980 are: 1, 2, 4, 5, 10, 20, 33349, 66698, 133396, 166745, 333490, 666980.
If you add them up, you will get the total of 1,400,700.