1818888940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{317}}^1\times {\mathrm{2371}}^1$

素因数の和:2719

約数の個数: 72

約数和(自身を含む): 4213497456

約数和(自身を除く): 2394608516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 317, 484, 605, 634, 1210, 1268, 1585, 2371, 2420, 3170, 3487, 4742, 6340, 6974, 9484, 11855, 13948, 17435, 23710, 26081, 34870, 38357, 47420, 52162, 69740, 76714, 104324, 130405, 153428, 191785, 260810, 286891, 383570, 521620, 573782, 751607, 767140, 1147564, 1434455, 1503214, 2868910, 3006428, 3758035, 5737820, 7516070, 8267677, 15032140, 16535354, 33070708, 41338385, 82676770, 90944447, 165353540, 181888894, 363777788, 454722235, 909444470, 1818888940]

約数ペア:

[(1, 1818888940), (2, 909444470), (4, 454722235), (5, 363777788), (10, 181888894), (11, 165353540), (20, 90944447), (22, 82676770), (44, 41338385), (55, 33070708), (110, 16535354), (121, 15032140), (220, 8267677), (242, 7516070), (317, 5737820), (484, 3758035), (605, 3006428), (634, 2868910), (1210, 1503214), (1268, 1434455), (1585, 1147564), (2371, 767140), (2420, 751607), (3170, 573782), (3487, 521620), (4742, 383570), (6340, 286891), (6974, 260810), (9484, 191785), (11855, 153428), (13948, 130405), (17435, 104324), (23710, 76714), (26081, 69740), (34870, 52162), (38357, 47420)]