Q: What is the sum of all factors of the number 1,283,780 including 1,283,780?
A: 2,695,980
The factors of the number 1,283,780 are: 1, 2, 4, 5, 10, 20, 64189, 128378, 256756, 320945, 641890, 1283780.
If you add them up, you will get the total of 2,695,980.