Q: What is the sum of all factors of the number 280,340 excluding 280,340?
A: 318,412
The factors of the number 280,340 are: 1, 2, 4, 5, 10, 20, 107, 131, 214, 262, 428, 524, 535, 655, 1070, 1310, 2140, 2620, 14017, 28034, 56068, 70085, 140170, 280340.
If you add them up, you will get the total of 280,658. Now subtract 280,340 to get 318,412