Q: What is the sum of all factors of the number 299,980 including 299,980?
A: 644,112
The factors of the number 299,980 are: 1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 283, 530, 566, 1060, 1132, 1415, 2830, 5660, 14999, 29998, 59996, 74995, 149990, 299980.
If you add them up, you will get the total of 644,112.