About the Number

90109920

90109919 ← → 90109921

2進数表記:101010111101111011111100000

漢数字表記:九千十万九千九百二十

素因数分解:

2 5 × 3 1 × 5 1 × 227 1 × 827 1

素因数の和:1072
約数の個数: 96
約数和(自身を含む): 285441408
約数和(自身を除く): 195331488

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 227, 240, 454, 480, 681, 827, 908, 1135, 1362, 1654, 1816, 2270, 2481, 2724, 3308, 3405, 3632, 4135, 4540, 4962, 5448, 6616, 6810, 7264, 8270, 9080, 9924, 10896, 12405, 13232, 13620, 16540, 18160, 19848, 21792, 24810, 26464, 27240, 33080, 36320, 39696, 49620, 54480, 66160, 79392, 99240, 108960, 132320, 187729, 198480, 375458, 396960, 563187, 750916, 938645, 1126374, 1501832, 1877290, 2252748, 2815935, 3003664, 3754580, 4505496, 5631870, 6007328, 7509160, 9010992, 11263740, 15018320, 18021984, 22527480, 30036640, 45054960, 90109920]

約数ペア:
[(1, 90109920), (2, 45054960), (3, 30036640), (4, 22527480), (5, 18021984), (6, 15018320), (8, 11263740), (10, 9010992), (12, 7509160), (15, 6007328), (16, 5631870), (20, 4505496), (24, 3754580), (30, 3003664), (32, 2815935), (40, 2252748), (48, 1877290), (60, 1501832), (80, 1126374), (96, 938645), (120, 750916), (160, 563187), (227, 396960), (240, 375458), (454, 198480), (480, 187729), (681, 132320), (827, 108960), (908, 99240), (1135, 79392), (1362, 66160), (1654, 54480), (1816, 49620), (2270, 39696), (2481, 36320), (2724, 33080), (3308, 27240), (3405, 26464), (3632, 24810), (4135, 21792), (4540, 19848), (4962, 18160), (5448, 16540), (6616, 13620), (6810, 13232), (7264, 12405), (8270, 10896), (9080, 9924)]

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