2998820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 7051968

約数和(自身を除く): 4053148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 317, 430, 473, 634, 860, 946, 1268, 1585, 1892, 2365, 3170, 3487, 4730, 6340, 6974, 9460, 13631, 13948, 17435, 27262, 34870, 54524, 68155, 69740, 136310, 149941, 272620, 299882, 599764, 749705, 1499410, 2998820]

約数ペア:

[(1, 2998820), (2, 1499410), (4, 749705), (5, 599764), (10, 299882), (11, 272620), (20, 149941), (22, 136310), (43, 69740), (44, 68155), (55, 54524), (86, 34870), (110, 27262), (172, 17435), (215, 13948), (220, 13631), (317, 9460), (430, 6974), (473, 6340), (634, 4730), (860, 3487), (946, 3170), (1268, 2365), (1585, 1892)]