Q: What is the sum of all factors of the number 1,221,200 including 1,221,200?

A: 3,044,448

Why is 3,044,448 the sum of all factors of 1,221,200, including 1,221,200?

The factors of the number 1,221,200 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 71, 80, 86, 100, 142, 172, 200, 215, 284, 344, 355, 400, 430, 568, 688, 710, 860, 1075, 1136, 1420, 1720, 1775, 2150, 2840, 3053, 3440, 3550, 4300, 5680, 6106, 7100, 8600, 12212, 14200, 15265, 17200, 24424, 28400, 30530, 48848, 61060, 76325, 122120, 152650, 244240, 305300, 610600, 1221200.

If you add them up, you will get the total of 3,044,448.