abundant-number

listen to the pronunciation of abundant-number
Englisch - Englisch
Attributive form of abundant number, noun
A number that is less than the sum of all of its divisors except itself

The factors of 30 are 1, 2, 3, 5, 6, 10, 15 and 30, and 1 + 2 + 3 + 5 + 6 + 10 + 15 = 42, which is greater than 30, so 30 is an abundant number.

abundant-number
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