Q: What is the sum of all factors of the number 320,430,100 excluding 320,430,100?

A: 384,712,268

Why is 384,712,268 the sum of all factors of 320,430,100, excluding 320,430,100?

The factors of the number 320,430,100 are: 1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 45131, 90262, 180524, 225655, 451310, 902620, 1128275, 2256550, 3204301, 4513100, 6408602, 12817204, 16021505, 32043010, 64086020, 80107525, 160215050, 320430100.

If you add them up, you will get the total of 320,430,484. Now subtract 320,430,100 to get 384,712,268