Q: What is the sum of all factors of the number 243,200,220 excluding 243,200,220?

A: 438,442,308

Why is 438,442,308 the sum of all factors of 243,200,220, excluding 243,200,220?

The factors of the number 243,200,220 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1777, 2281, 3554, 4562, 5331, 6843, 7108, 8885, 9124, 10662, 11405, 13686, 17770, 21324, 22810, 26655, 27372, 34215, 35540, 45620, 53310, 68430, 106620, 136860, 4053337, 8106674, 12160011, 16213348, 20266685, 24320022, 40533370, 48640044, 60800055, 81066740, 121600110, 243200220.

If you add them up, you will get the total of 243,200,658. Now subtract 243,200,220 to get 438,442,308