Q: What is the sum of all factors of the number 396,420 including 396,420?
A: 1,110,144
The factors of the number 396,420 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 6607, 13214, 19821, 26428, 33035, 39642, 66070, 79284, 99105, 132140, 198210, 396420.
If you add them up, you will get the total of 1,110,144.