Q: What is the sum of all factors of the number 1,244,520 including 1,244,520?

A: 4,045,860

Why is 4,045,860 the sum of all factors of 1,244,520, including 1,244,520?

The factors of the number 1,244,520 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 3457, 6914, 10371, 13828, 17285, 20742, 27656, 31113, 34570, 41484, 51855, 62226, 69140, 82968, 103710, 124452, 138280, 155565, 207420, 248904, 311130, 414840, 622260, 1244520.

If you add them up, you will get the total of 4,045,860.