31889660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3371}}^1$

素因数の和:3434

約数の個数: 48

約数和(自身を含む): 74777472

約数和(自身を除く): 42887812

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, 3371, 4730, 6742, 9460, 13484, 16855, 33710, 37081, 67420, 74162, 144953, 148324, 185405, 289906, 370810, 579812, 724765, 741620, 1449530, 1594483, 2899060, 3188966, 6377932, 7972415, 15944830, 31889660]

約数ペア:

[(1, 31889660), (2, 15944830), (4, 7972415), (5, 6377932), (10, 3188966), (11, 2899060), (20, 1594483), (22, 1449530), (43, 741620), (44, 724765), (55, 579812), (86, 370810), (110, 289906), (172, 185405), (215, 148324), (220, 144953), (430, 74162), (473, 67420), (860, 37081), (946, 33710), (1892, 16855), (2365, 13484), (3371, 9460), (4730, 6742)]