Q: What is the sum of all factors of the number 139,720 including 139,720?
A: 360,000
The factors of the number 139,720 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 499, 998, 1996, 2495, 3493, 3992, 4990, 6986, 9980, 13972, 17465, 19960, 27944, 34930, 69860, 139720.
If you add them up, you will get the total of 360,000.