Q: What is the sum of all factors of the number 1,388,890 including 1,388,890?
A: 2,500,020
The factors of the number 1,388,890 are: 1, 2, 5, 10, 138889, 277778, 694445, 1388890.
If you add them up, you will get the total of 2,500,020.