Q: What is the sum of all factors of the number 123,400 including 123,400?
A: 287,370
The factors of the number 123,400 are: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 617, 1234, 2468, 3085, 4936, 6170, 12340, 15425, 24680, 30850, 61700, 123400.
If you add them up, you will get the total of 287,370.