Q: What is the sum of all factors of the number 1,121,220 including 1,121,220?
A: 3,401,580
The factors of the number 1,121,220 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 6229, 12458, 18687, 24916, 31145, 37374, 56061, 62290, 74748, 93435, 112122, 124580, 186870, 224244, 280305, 373740, 560610, 1121220.
If you add them up, you will get the total of 3,401,580.