About the Number

230128640

230128639 ← → 230128641

2進数表記:1101101101110111110000000000

漢数字表記:二億三千十二万八千六百四十

素因数分解:

2 10 × 5 1 × 7 1 × 6421 1

素因数の和:6453
約数の個数: 88
約数和(自身を含む): 631000032
約数和(自身を除く): 400871392

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 5120, 6421, 7168, 8960, 12842, 17920, 25684, 32105, 35840, 44947, 51368, 64210, 89894, 102736, 128420, 179788, 205472, 224735, 256840, 359576, 410944, 449470, 513680, 719152, 821888, 898940, 1027360, 1438304, 1643776, 1797880, 2054720, 2876608, 3287552, 3595760, 4109440, 5753216, 6575104, 7191520, 8218880, 11506432, 14383040, 16437760, 23012864, 28766080, 32875520, 46025728, 57532160, 115064320, 230128640]

約数ペア:
[(1, 230128640), (2, 115064320), (4, 57532160), (5, 46025728), (7, 32875520), (8, 28766080), (10, 23012864), (14, 16437760), (16, 14383040), (20, 11506432), (28, 8218880), (32, 7191520), (35, 6575104), (40, 5753216), (56, 4109440), (64, 3595760), (70, 3287552), (80, 2876608), (112, 2054720), (128, 1797880), (140, 1643776), (160, 1438304), (224, 1027360), (256, 898940), (280, 821888), (320, 719152), (448, 513680), (512, 449470), (560, 410944), (640, 359576), (896, 256840), (1024, 224735), (1120, 205472), (1280, 179788), (1792, 128420), (2240, 102736), (2560, 89894), (3584, 64210), (4480, 51368), (5120, 44947), (6421, 35840), (7168, 32105), (8960, 25684), (12842, 17920)]

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