Q: What is the sum of all factors of the number 378,406 excluding 378,406?
A: 278,234
The factors of the number 378,406 are: 1, 2, 7, 14, 151, 179, 302, 358, 1057, 1253, 2114, 2506, 27029, 54058, 189203, 378406.
If you add them up, you will get the total of 378,684. Now subtract 378,406 to get 278,234