abundant number

名词 n.
中文释义
英 /əˈbʌn.dn̩t ˈnʌm.bə/    美 /əˈbʌn.dn̩t ˈnʌm.bɚ/|/əˈbn̩.dn̩t ˈnʌm.bɚ/

英文释义

名词 n.
  1. A number that is less than the sum of its proper divisors (all divisors except the number 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.

词形变化

abundant numbers plural
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