Q: What is the sum of all factors of the number 1,200,138 including 1,200,138?
A: 2,400,288
The factors of the number 1,200,138 are: 1, 2, 3, 6, 200023, 400046, 600069, 1200138.
If you add them up, you will get the total of 2,400,288.