Q: What is the sum of all factors of the number 398,240 excluding 398,240?
A: 599,680
The factors of the number 398,240 are: 1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 131, 152, 160, 190, 262, 304, 380, 524, 608, 655, 760, 1048, 1310, 1520, 2096, 2489, 2620, 3040, 4192, 4978, 5240, 9956, 10480, 12445, 19912, 20960, 24890, 39824, 49780, 79648, 99560, 199120, 398240.
If you add them up, you will get the total of 398,839. Now subtract 398,240 to get 599,680