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Find the sum of all the factors of the following numbers
a) 78
b) 623
Given: The numbers are-
a) 78
b) 623
To do: Find the sum of all the factors of the given numbers.
Solution:
Factors of $78$ are $1, 2, 3, 6, 13, 26, 39, 78$
Sum of factors of $78 = 1+ 2+ 3+ 6+ 13+ 26+ 39+ 78 = 168$
Factors of $623 $are $1, 7, 89, 623$
Sum of all factors of $623 = 1 + 7 + 89 + 623=720 $
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