Q: What is the sum of all factors of the number 400,120 including 400,120?
A: 1,029,600
The factors of the number 400,120 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1429, 2858, 5716, 7145, 10003, 11432, 14290, 20006, 28580, 40012, 50015, 57160, 80024, 100030, 200060, 400120.
If you add them up, you will get the total of 1,029,600.