Q: What is the sum of all factors of the number 510 excluding 510?
A: 786
The factors of the number 510 are: 1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510.
If you add them up, you will get the total of 1,296. Now subtract 510 to get 786