681010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:210

約数の個数: 32

約数和(自身を含む): 1378944

約数和(自身を除く): 697934

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 151, 205, 302, 410, 451, 755, 902, 1510, 1661, 2255, 3322, 4510, 6191, 8305, 12382, 16610, 30955, 61910, 68101, 136202, 340505, 681010]

約数ペア:

[(1, 681010), (2, 340505), (5, 136202), (10, 68101), (11, 61910), (22, 30955), (41, 16610), (55, 12382), (82, 8305), (110, 6191), (151, 4510), (205, 3322), (302, 2255), (410, 1661), (451, 1510), (755, 902)]