Q: What is the sum of all factors of the number 120,900 including 120,900?

A: 388,864

Why is 388,864 the sum of all factors of 120,900, including 120,900?

The factors of the number 120,900 are: 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 31, 39, 50, 52, 60, 62, 65, 75, 78, 93, 100, 124, 130, 150, 155, 156, 186, 195, 260, 300, 310, 325, 372, 390, 403, 465, 620, 650, 775, 780, 806, 930, 975, 1209, 1300, 1550, 1612, 1860, 1950, 2015, 2325, 2418, 3100, 3900, 4030, 4650, 4836, 6045, 8060, 9300, 10075, 12090, 20150, 24180, 30225, 40300, 60450, 120900.

If you add them up, you will get the total of 388,864.