262674440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 698181120

約数和(自身を除く): 435506680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 73, 140, 142, 146, 181, 280, 284, 292, 355, 362, 365, 497, 511, 568, 584, 710, 724, 730, 905, 994, 1022, 1267, 1420, 1448, 1460, 1810, 1988, 2044, 2485, 2534, 2555, 2840, 2920, 3620, 3976, 4088, 4970, 5068, 5110, 5183, 6335, 7240, 9940, 10136, 10220, 10366, 12670, 12851, 13213, 19880, 20440, 20732, 25340, 25702, 25915, 26426, 36281, 41464, 50680, 51404, 51830, 52852, 64255, 66065, 72562, 89957, 92491, 102808, 103660, 105704, 128510, 132130, 145124, 179914, 181405, 184982, 207320, 257020, 264260, 290248, 359828, 362810, 369964, 449785, 462455, 514040, 528520, 719656, 725620, 739928, 899570, 924910, 938123, 1451240, 1799140, 1849820, 1876246, 3598280, 3699640, 3752492, 4690615, 6566861, 7504984, 9381230, 13133722, 18762460, 26267444, 32834305, 37524920, 52534888, 65668610, 131337220, 262674440]

約数ペア:

[(1, 262674440), (2, 131337220), (4, 65668610), (5, 52534888), (7, 37524920), (8, 32834305), (10, 26267444), (14, 18762460), (20, 13133722), (28, 9381230), (35, 7504984), (40, 6566861), (56, 4690615), (70, 3752492), (71, 3699640), (73, 3598280), (140, 1876246), (142, 1849820), (146, 1799140), (181, 1451240), (280, 938123), (284, 924910), (292, 899570), (355, 739928), (362, 725620), (365, 719656), (497, 528520), (511, 514040), (568, 462455), (584, 449785), (710, 369964), (724, 362810), (730, 359828), (905, 290248), (994, 264260), (1022, 257020), (1267, 207320), (1420, 184982), (1448, 181405), (1460, 179914), (1810, 145124), (1988, 132130), (2044, 128510), (2485, 105704), (2534, 103660), (2555, 102808), (2840, 92491), (2920, 89957), (3620, 72562), (3976, 66065), (4088, 64255), (4970, 52852), (5068, 51830), (5110, 51404), (5183, 50680), (6335, 41464), (7240, 36281), (9940, 26426), (10136, 25915), (10220, 25702), (10366, 25340), (12670, 20732), (12851, 20440), (13213, 19880)]