16665250

素因数分解:

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

素因数の和:220

約数の個数: 64

約数和(自身を含む): 36391680

約数和(自身を除く): 19726430

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 89, 107, 125, 175, 178, 214, 250, 350, 445, 535, 623, 749, 875, 890, 1070, 1246, 1498, 1750, 2225, 2675, 3115, 3745, 4450, 5350, 6230, 7490, 9523, 11125, 13375, 15575, 18725, 19046, 22250, 26750, 31150, 37450, 47615, 66661, 77875, 93625, 95230, 133322, 155750, 187250, 238075, 333305, 476150, 666610, 1190375, 1666525, 2380750, 3333050, 8332625, 16665250]

約数ペア:

[(1, 16665250), (2, 8332625), (5, 3333050), (7, 2380750), (10, 1666525), (14, 1190375), (25, 666610), (35, 476150), (50, 333305), (70, 238075), (89, 187250), (107, 155750), (125, 133322), (175, 95230), (178, 93625), (214, 77875), (250, 66661), (350, 47615), (445, 37450), (535, 31150), (623, 26750), (749, 22250), (875, 19046), (890, 18725), (1070, 15575), (1246, 13375), (1498, 11125), (1750, 9523), (2225, 7490), (2675, 6230), (3115, 5350), (3745, 4450)]