205145360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{887}}^1$

素因数の和:973

約数の個数: 120

約数和(自身を含む): 564874560

約数和(自身を除く): 359729200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 59, 70, 80, 98, 112, 118, 140, 196, 236, 245, 280, 295, 392, 413, 472, 490, 560, 590, 784, 826, 887, 944, 980, 1180, 1652, 1774, 1960, 2065, 2360, 2891, 3304, 3548, 3920, 4130, 4435, 4720, 5782, 6209, 6608, 7096, 8260, 8870, 11564, 12418, 14192, 14455, 16520, 17740, 23128, 24836, 28910, 31045, 33040, 35480, 43463, 46256, 49672, 52333, 57820, 62090, 70960, 86926, 99344, 104666, 115640, 124180, 173852, 209332, 217315, 231280, 248360, 261665, 347704, 366331, 418664, 434630, 496720, 523330, 695408, 732662, 837328, 869260, 1046660, 1465324, 1738520, 1831655, 2093320, 2564317, 2930648, 3477040, 3663310, 4186640, 5128634, 5861296, 7326620, 10257268, 12821585, 14653240, 20514536, 25643170, 29306480, 41029072, 51286340, 102572680, 205145360]

約数ペア:

[(1, 205145360), (2, 102572680), (4, 51286340), (5, 41029072), (7, 29306480), (8, 25643170), (10, 20514536), (14, 14653240), (16, 12821585), (20, 10257268), (28, 7326620), (35, 5861296), (40, 5128634), (49, 4186640), (56, 3663310), (59, 3477040), (70, 2930648), (80, 2564317), (98, 2093320), (112, 1831655), (118, 1738520), (140, 1465324), (196, 1046660), (236, 869260), (245, 837328), (280, 732662), (295, 695408), (392, 523330), (413, 496720), (472, 434630), (490, 418664), (560, 366331), (590, 347704), (784, 261665), (826, 248360), (887, 231280), (944, 217315), (980, 209332), (1180, 173852), (1652, 124180), (1774, 115640), (1960, 104666), (2065, 99344), (2360, 86926), (2891, 70960), (3304, 62090), (3548, 57820), (3920, 52333), (4130, 49672), (4435, 46256), (4720, 43463), (5782, 35480), (6209, 33040), (6608, 31045), (7096, 28910), (8260, 24836), (8870, 23128), (11564, 17740), (12418, 16520), (14192, 14455)]