Q: What is the sum of all factors of the number 252,420 excluding 252,420?

A: 556,668

Why is 556,668 the sum of all factors of 252,420, excluding 252,420?

The factors of the number 252,420 are: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 601, 1202, 1803, 2404, 3005, 3606, 4207, 6010, 7212, 8414, 9015, 12020, 12621, 16828, 18030, 21035, 25242, 36060, 42070, 50484, 63105, 84140, 126210, 252420.

If you add them up, you will get the total of 252,976. Now subtract 252,420 to get 556,668