Q: What is the sum of all factors of the number 1,450 excluding 1,450?
A: 1,340
The factors of the number 1,450 are: 1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450.
If you add them up, you will get the total of 1,451. Now subtract 1,450 to get 1,340