Q: What is the sum of all factors of the number 674,420 including 674,420?
A: 1,416,324
The factors of the number 674,420 are: 1, 2, 4, 5, 10, 20, 33721, 67442, 134884, 168605, 337210, 674420.
If you add them up, you will get the total of 1,416,324.