30981710

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{719}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 58060800

約数和(自身を除く): 27079090

約数列:

[1, 2, 5, 10, 31, 62, 139, 155, 278, 310, 695, 719, 1390, 1438, 3595, 4309, 7190, 8618, 21545, 22289, 43090, 44578, 99941, 111445, 199882, 222890, 499705, 999410, 3098171, 6196342, 15490855, 30981710]

約数ペア:

[(1, 30981710), (2, 15490855), (5, 6196342), (10, 3098171), (31, 999410), (62, 499705), (139, 222890), (155, 199882), (278, 111445), (310, 99941), (695, 44578), (719, 43090), (1390, 22289), (1438, 21545), (3595, 8618), (4309, 7190)]