Q: What is the sum of all factors of the number 328,420 including 328,420?
A: 689,724
The factors of the number 328,420 are: 1, 2, 4, 5, 10, 20, 16421, 32842, 65684, 82105, 164210, 328420.
If you add them up, you will get the total of 689,724.