2890910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:700

約数の個数: 32

約数和(自身を含む): 5824224

約数和(自身を除く): 2933314

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 641, 902, 1282, 2255, 3205, 4510, 6410, 7051, 14102, 26281, 35255, 52562, 70510, 131405, 262810, 289091, 578182, 1445455, 2890910]

約数ペア:

[(1, 2890910), (2, 1445455), (5, 578182), (10, 289091), (11, 262810), (22, 131405), (41, 70510), (55, 52562), (82, 35255), (110, 26281), (205, 14102), (410, 7051), (451, 6410), (641, 4510), (902, 3205), (1282, 2255)]