English

Noun

abundant number ‎(plural abundant numbers)

1. (number theory) 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.

Synonyms

• excessive number

Translations

See also

• amicable number
• deficient number
• sociable number
• perfect number