201721089020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2188339}}^1$

素因数の和:2188778

約数の個数: 48

約数和(自身を含む): 463227811200

約数和(自身を除く): 261506722180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 419, 838, 1676, 2095, 4190, 4609, 8380, 9218, 18436, 23045, 46090, 92180, 2188339, 4376678, 8753356, 10941695, 21883390, 24071729, 43766780, 48143458, 96286916, 120358645, 240717290, 481434580, 916914041, 1833828082, 3667656164, 4584570205, 9169140410, 10086054451, 18338280820, 20172108902, 40344217804, 50430272255, 100860544510, 201721089020]

約数ペア:

[(1, 201721089020), (2, 100860544510), (4, 50430272255), (5, 40344217804), (10, 20172108902), (11, 18338280820), (20, 10086054451), (22, 9169140410), (44, 4584570205), (55, 3667656164), (110, 1833828082), (220, 916914041), (419, 481434580), (838, 240717290), (1676, 120358645), (2095, 96286916), (4190, 48143458), (4609, 43766780), (8380, 24071729), (9218, 21883390), (18436, 10941695), (23045, 8753356), (46090, 4376678), (92180, 2188339)]