Q: What is the sum of all factors of the number 308,100 excluding 308,100?

A: 664,060

Why is 664,060 the sum of all factors of 308,100, excluding 308,100?

The factors of the number 308,100 are: 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 79, 100, 130, 150, 156, 158, 195, 237, 260, 300, 316, 325, 390, 395, 474, 650, 780, 790, 948, 975, 1027, 1185, 1300, 1580, 1950, 1975, 2054, 2370, 3081, 3900, 3950, 4108, 4740, 5135, 5925, 6162, 7900, 10270, 11850, 12324, 15405, 20540, 23700, 25675, 30810, 51350, 61620, 77025, 102700, 154050, 308100.

If you add them up, you will get the total of 308,764. Now subtract 308,100 to get 664,060