Q: What is the sum of all factors of the number 1,405,678 including 1,405,678?
A: 2,114,640
The factors of the number 1,405,678 are: 1, 2, 439, 878, 1601, 3202, 702839, 1405678.
If you add them up, you will get the total of 2,114,640.