Q: What is the sum of all factors of the number 258,600 excluding 258,600?

A: 544,920

Why is 544,920 the sum of all factors of 258,600, excluding 258,600?

The factors of the number 258,600 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 431, 600, 862, 1293, 1724, 2155, 2586, 3448, 4310, 5172, 6465, 8620, 10344, 10775, 12930, 17240, 21550, 25860, 32325, 43100, 51720, 64650, 86200, 129300, 258600.

If you add them up, you will get the total of 259,144. Now subtract 258,600 to get 544,920