About the Number

428501640

428501639 ← → 428501641

2進数表記:11001100010100110101010001000

漢数字表記:四億二千八百五十万千六百四十

素因数分解:

2 3 × 3 1 × 5 1 × 7 1 × 510121 1

素因数の和:510142
約数の個数: 64
約数和(自身を含む): 1469151360
約数和(自身を除く): 1040649720

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 510121, 1020242, 1530363, 2040484, 2550605, 3060726, 3570847, 4080968, 5101210, 6121452, 7141694, 7651815, 10202420, 10712541, 12242904, 14283388, 15303630, 17854235, 20404840, 21425082, 28566776, 30607260, 35708470, 42850164, 53562705, 61214520, 71416940, 85700328, 107125410, 142833880, 214250820, 428501640]

約数ペア:
[(1, 428501640), (2, 214250820), (3, 142833880), (4, 107125410), (5, 85700328), (6, 71416940), (7, 61214520), (8, 53562705), (10, 42850164), (12, 35708470), (14, 30607260), (15, 28566776), (20, 21425082), (21, 20404840), (24, 17854235), (28, 15303630), (30, 14283388), (35, 12242904), (40, 10712541), (42, 10202420), (56, 7651815), (60, 7141694), (70, 6121452), (84, 5101210), (105, 4080968), (120, 3570847), (140, 3060726), (168, 2550605), (210, 2040484), (280, 1530363), (420, 1020242), (840, 510121)]

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