401065390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{461}}^1\times {\mathrm{719}}^1$

素因数の和:1209

約数の個数: 48

約数和(自身を含む): 796340160

約数和(自身を除く): 395274770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 461, 605, 719, 922, 1210, 1438, 2305, 3595, 4610, 5071, 7190, 7909, 10142, 15818, 25355, 39545, 50710, 55781, 79090, 86999, 111562, 173998, 278905, 331459, 434995, 557810, 662918, 869990, 1657295, 3314590, 3646049, 7292098, 18230245, 36460490, 40106539, 80213078, 200532695, 401065390]

約数ペア:

[(1, 401065390), (2, 200532695), (5, 80213078), (10, 40106539), (11, 36460490), (22, 18230245), (55, 7292098), (110, 3646049), (121, 3314590), (242, 1657295), (461, 869990), (605, 662918), (719, 557810), (922, 434995), (1210, 331459), (1438, 278905), (2305, 173998), (3595, 111562), (4610, 86999), (5071, 79090), (7190, 55781), (7909, 50710), (10142, 39545), (15818, 25355)]