It wasn't me, but I would have come up with 33. The four factors of 33 add up to 48.
527
The factors of 8 are 1, 2, 4, and 8. The factors that add up to 10 are 2 and 8.
268
100 has nine factors: 1, 2, 4, 5, 10, 20, 25, 50, 100.
factors of 30 that add to 17 are 2 and 15
They are 7 and 2
The four factors of 33 add up to 48.
How about 3 and 6
The four factors of 33 add up to 48.
It wasn't me, but I would have come up with 33. The four factors of 33 add up to 48.
335
The only number between 30 and 40 with distinct prime factors which add up to 12 is 35.
Add them up. The prime factors of 30 are 2, 3 and 5. You can handle the rest.
170
584
30 and 6 18 and 18 four nines six sixes nine fours twelve threes eighteen twos thirty-six ones