30591220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12641}}^1$

素因数の和:12672

約数の個数: 36

約数和(自身を含む): 70618212

約数和(自身を除く): 40026992

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 12641, 25282, 50564, 63205, 126410, 139051, 252820, 278102, 556204, 695255, 1390510, 1529561, 2781020, 3059122, 6118244, 7647805, 15295610, 30591220]

約数ペア:

[(1, 30591220), (2, 15295610), (4, 7647805), (5, 6118244), (10, 3059122), (11, 2781020), (20, 1529561), (22, 1390510), (44, 695255), (55, 556204), (110, 278102), (121, 252820), (220, 139051), (242, 126410), (484, 63205), (605, 50564), (1210, 25282), (2420, 12641)]