About the Number

129137520

129137519 ← → 129137521

2進数表記:111101100100111101101110000

漢数字表記:一億二千九百十三万七千五百二十

素因数分解:

2 4 × 3 1 × 5 1 × 538073 1

素因数の和:538089
約数の個数: 40
約数和(自身を含む): 400327056
約数和(自身を除く): 271189536

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 538073, 1076146, 1614219, 2152292, 2690365, 3228438, 4304584, 5380730, 6456876, 8071095, 8609168, 10761460, 12913752, 16142190, 21522920, 25827504, 32284380, 43045840, 64568760, 129137520]

約数ペア:
[(1, 129137520), (2, 64568760), (3, 43045840), (4, 32284380), (5, 25827504), (6, 21522920), (8, 16142190), (10, 12913752), (12, 10761460), (15, 8609168), (16, 8071095), (20, 6456876), (24, 5380730), (30, 4304584), (40, 3228438), (48, 2690365), (60, 2152292), (80, 1614219), (120, 1076146), (240, 538073)]

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