Q: What is the sum of all factors of the number 128,820 including 128,820?
A: 383,040
The factors of the number 128,820 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 113, 114, 190, 226, 228, 285, 339, 380, 452, 565, 570, 678, 1130, 1140, 1356, 1695, 2147, 2260, 3390, 4294, 6441, 6780, 8588, 10735, 12882, 21470, 25764, 32205, 42940, 64410, 128820.
If you add them up, you will get the total of 383,040.