31776140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3359}}^1$

素因数の和:3422

約数の個数: 48

約数和(自身を含む): 74511360

約数和(自身を除く): 42735220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 3359, 4730, 6718, 9460, 13436, 16795, 33590, 36949, 67180, 73898, 144437, 147796, 184745, 288874, 369490, 577748, 722185, 738980, 1444370, 1588807, 2888740, 3177614, 6355228, 7944035, 15888070, 31776140]

約数ペア:

[(1, 31776140), (2, 15888070), (4, 7944035), (5, 6355228), (10, 3177614), (11, 2888740), (20, 1588807), (22, 1444370), (43, 738980), (44, 722185), (55, 577748), (86, 369490), (110, 288874), (172, 184745), (215, 147796), (220, 144437), (430, 73898), (473, 67180), (860, 36949), (946, 33590), (1892, 16795), (2365, 13436), (3359, 9460), (4730, 6718)]