Q: What is the sum of all factors of the number 660,420 excluding 660,420?

A: 1,395,900

Why is 1,395,900 the sum of all factors of 660,420, excluding 660,420?

The factors of the number 660,420 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 1223, 2446, 3669, 4892, 6115, 7338, 11007, 12230, 14676, 18345, 22014, 24460, 33021, 36690, 44028, 55035, 66042, 73380, 110070, 132084, 165105, 220140, 330210, 660420.

If you add them up, you will get the total of 660,421. Now subtract 660,420 to get 1,395,900