870822875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1087}}^1$

素因数の和:1161

約数の個数: 64

約数和(自身を含む): 1283143680

約数和(自身を除く): 412320805

約数列:

[1, 5, 13, 17, 25, 29, 65, 85, 125, 145, 221, 325, 377, 425, 493, 725, 1087, 1105, 1625, 1885, 2125, 2465, 3625, 5435, 5525, 6409, 9425, 12325, 14131, 18479, 27175, 27625, 31523, 32045, 47125, 61625, 70655, 92395, 135875, 157615, 160225, 240227, 353275, 409799, 461975, 535891, 788075, 801125, 1201135, 1766375, 2048995, 2309875, 2679455, 3940375, 6005675, 6966583, 10244975, 13397275, 30028375, 34832915, 51224875, 66986375, 174164575, 870822875]

約数ペア:

[(1, 870822875), (5, 174164575), (13, 66986375), (17, 51224875), (25, 34832915), (29, 30028375), (65, 13397275), (85, 10244975), (125, 6966583), (145, 6005675), (221, 3940375), (325, 2679455), (377, 2309875), (425, 2048995), (493, 1766375), (725, 1201135), (1087, 801125), (1105, 788075), (1625, 535891), (1885, 461975), (2125, 409799), (2465, 353275), (3625, 240227), (5435, 160225), (5525, 157615), (6409, 135875), (9425, 92395), (12325, 70655), (14131, 61625), (18479, 47125), (27175, 32045), (27625, 31523)]