About the Number

101955980

101955979 ← → 101955981

2進数表記:110000100111011100110001100

漢数字表記:一億百九十五万五千九百八十

素因数分解:

2 2 × 5 1 × 7 1 × 337 1 × 2161 1

素因数の和:2514
約数の個数: 48
約数和(自身を含む): 245534016
約数和(自身を除く): 143578036

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 337, 674, 1348, 1685, 2161, 2359, 3370, 4322, 4718, 6740, 8644, 9436, 10805, 11795, 15127, 21610, 23590, 30254, 43220, 47180, 60508, 75635, 151270, 302540, 728257, 1456514, 2913028, 3641285, 5097799, 7282570, 10195598, 14565140, 20391196, 25488995, 50977990, 101955980]

約数ペア:
[(1, 101955980), (2, 50977990), (4, 25488995), (5, 20391196), (7, 14565140), (10, 10195598), (14, 7282570), (20, 5097799), (28, 3641285), (35, 2913028), (70, 1456514), (140, 728257), (337, 302540), (674, 151270), (1348, 75635), (1685, 60508), (2161, 47180), (2359, 43220), (3370, 30254), (4322, 23590), (4718, 21610), (6740, 15127), (8644, 11795), (9436, 10805)]

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