Q: What is the sum of all factors of the number 221,321,220 excluding 221,321,220?
A: 400,630,908
The factors of the number 221,321,220 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 281, 562, 843, 1124, 1405, 1686, 2810, 3372, 4215, 5620, 8430, 13127, 16860, 26254, 39381, 52508, 65635, 78762, 131270, 157524, 196905, 262540, 393810, 787620, 3688687, 7377374, 11066061, 14754748, 18443435, 22132122, 36886870, 44264244, 55330305, 73773740, 110660610, 221321220.
If you add them up, you will get the total of 221,321,620. Now subtract 221,321,220 to get 400,630,908