66661000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:224

約数の個数: 128

約数和(自身を含む): 181958400

約数和(自身を除く): 115297400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 89, 100, 107, 125, 140, 175, 178, 200, 214, 250, 280, 350, 356, 428, 445, 500, 535, 623, 700, 712, 749, 856, 875, 890, 1000, 1070, 1246, 1400, 1498, 1750, 1780, 2140, 2225, 2492, 2675, 2996, 3115, 3500, 3560, 3745, 4280, 4450, 4984, 5350, 5992, 6230, 7000, 7490, 8900, 9523, 10700, 11125, 12460, 13375, 14980, 15575, 17800, 18725, 19046, 21400, 22250, 24920, 26750, 29960, 31150, 37450, 38092, 44500, 47615, 53500, 62300, 66661, 74900, 76184, 77875, 89000, 93625, 95230, 107000, 124600, 133322, 149800, 155750, 187250, 190460, 238075, 266644, 311500, 333305, 374500, 380920, 476150, 533288, 623000, 666610, 749000, 952300, 1190375, 1333220, 1666525, 1904600, 2380750, 2666440, 3333050, 4761500, 6666100, 8332625, 9523000, 13332200, 16665250, 33330500, 66661000]

約数ペア:

[(1, 66661000), (2, 33330500), (4, 16665250), (5, 13332200), (7, 9523000), (8, 8332625), (10, 6666100), (14, 4761500), (20, 3333050), (25, 2666440), (28, 2380750), (35, 1904600), (40, 1666525), (50, 1333220), (56, 1190375), (70, 952300), (89, 749000), (100, 666610), (107, 623000), (125, 533288), (140, 476150), (175, 380920), (178, 374500), (200, 333305), (214, 311500), (250, 266644), (280, 238075), (350, 190460), (356, 187250), (428, 155750), (445, 149800), (500, 133322), (535, 124600), (623, 107000), (700, 95230), (712, 93625), (749, 89000), (856, 77875), (875, 76184), (890, 74900), (1000, 66661), (1070, 62300), (1246, 53500), (1400, 47615), (1498, 44500), (1750, 38092), (1780, 37450), (2140, 31150), (2225, 29960), (2492, 26750), (2675, 24920), (2996, 22250), (3115, 21400), (3500, 19046), (3560, 18725), (3745, 17800), (4280, 15575), (4450, 14980), (4984, 13375), (5350, 12460), (5992, 11125), (6230, 10700), (7000, 9523), (7490, 8900)]