Q: What is the sum of all factors of the number 345,080 excluding 345,080?
A: 431,440
The factors of the number 345,080 are: 1, 2, 4, 5, 8, 10, 20, 40, 8627, 17254, 34508, 43135, 69016, 86270, 172540, 345080.
If you add them up, you will get the total of 345,511. Now subtract 345,080 to get 431,440