About the Number

102472020

102472019 ← → 102472021

2進数表記:110000110111001100101010100

漢数字表記:一億二百四十七万二千二十

素因数分解:

2 2 × 3 3 × 5 1 × 7 1 × 27109 1

素因数の和:27134
約数の個数: 96
約数和(自身を含む): 364358400
約数和(自身を除く): 261886380

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 27109, 54218, 81327, 108436, 135545, 162654, 189763, 243981, 271090, 325308, 379526, 406635, 487962, 542180, 569289, 731943, 759052, 813270, 948815, 975924, 1138578, 1219905, 1463886, 1626540, 1707867, 1897630, 2277156, 2439810, 2846445, 2927772, 3415734, 3659715, 3795260, 4879620, 5123601, 5692890, 6831468, 7319430, 8539335, 10247202, 11385780, 14638860, 17078670, 20494404, 25618005, 34157340, 51236010, 102472020]

約数ペア:
[(1, 102472020), (2, 51236010), (3, 34157340), (4, 25618005), (5, 20494404), (6, 17078670), (7, 14638860), (9, 11385780), (10, 10247202), (12, 8539335), (14, 7319430), (15, 6831468), (18, 5692890), (20, 5123601), (21, 4879620), (27, 3795260), (28, 3659715), (30, 3415734), (35, 2927772), (36, 2846445), (42, 2439810), (45, 2277156), (54, 1897630), (60, 1707867), (63, 1626540), (70, 1463886), (84, 1219905), (90, 1138578), (105, 975924), (108, 948815), (126, 813270), (135, 759052), (140, 731943), (180, 569289), (189, 542180), (210, 487962), (252, 406635), (270, 379526), (315, 325308), (378, 271090), (420, 243981), (540, 189763), (630, 162654), (756, 135545), (945, 108436), (1260, 81327), (1890, 54218), (3780, 27109)]

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