2707540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 6418944

約数和(自身を除く): 3711404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 397, 620, 682, 794, 1364, 1588, 1705, 1985, 3410, 3970, 4367, 6820, 7940, 8734, 12307, 17468, 21835, 24614, 43670, 49228, 61535, 87340, 123070, 135377, 246140, 270754, 541508, 676885, 1353770, 2707540]

約数ペア:

[(1, 2707540), (2, 1353770), (4, 676885), (5, 541508), (10, 270754), (11, 246140), (20, 135377), (22, 123070), (31, 87340), (44, 61535), (55, 49228), (62, 43670), (110, 24614), (124, 21835), (155, 17468), (220, 12307), (310, 8734), (341, 7940), (397, 6820), (620, 4367), (682, 3970), (794, 3410), (1364, 1985), (1588, 1705)]