About the Number

117809980

117809979 ← → 117809981

2進数表記:111000001011010001100111100

漢数字表記:一億千七百八十万九千九百八十

素因数分解:

2 2 × 5 1 × 617 1 × 9547 1

素因数の和:10173
約数の個数: 24
約数和(自身を含む): 247827888
約数和(自身を除く): 130017908

約数列:
[1, 2, 4, 5, 10, 20, 617, 1234, 2468, 3085, 6170, 9547, 12340, 19094, 38188, 47735, 95470, 190940, 5890499, 11780998, 23561996, 29452495, 58904990, 117809980]

約数ペア:
[(1, 117809980), (2, 58904990), (4, 29452495), (5, 23561996), (10, 11780998), (20, 5890499), (617, 190940), (1234, 95470), (2468, 47735), (3085, 38188), (6170, 19094), (9547, 12340)]

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