Q: What is the sum of all factors of the number 61,900,220 excluding 61,900,220?

A: 72,220,228

Why is 72,220,228 the sum of all factors of 61,900,220, excluding 61,900,220?

The factors of the number 61,900,220 are: 1, 2, 4, 5, 10, 20, 43, 86, 167, 172, 215, 334, 430, 431, 668, 835, 860, 862, 1670, 1724, 2155, 3340, 4310, 7181, 8620, 14362, 18533, 28724, 35905, 37066, 71810, 71977, 74132, 92665, 143620, 143954, 185330, 287908, 359885, 370660, 719770, 1439540, 3095011, 6190022, 12380044, 15475055, 30950110, 61900220.

If you add them up, you will get the total of 61,900,292. Now subtract 61,900,220 to get 72,220,228