2402180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 5624640

約数和(自身を除く): 3222460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 179, 220, 244, 305, 358, 610, 671, 716, 895, 1220, 1342, 1790, 1969, 2684, 3355, 3580, 3938, 6710, 7876, 9845, 10919, 13420, 19690, 21838, 39380, 43676, 54595, 109190, 120109, 218380, 240218, 480436, 600545, 1201090, 2402180]

約数ペア:

[(1, 2402180), (2, 1201090), (4, 600545), (5, 480436), (10, 240218), (11, 218380), (20, 120109), (22, 109190), (44, 54595), (55, 43676), (61, 39380), (110, 21838), (122, 19690), (179, 13420), (220, 10919), (244, 9845), (305, 7876), (358, 6710), (610, 3938), (671, 3580), (716, 3355), (895, 2684), (1220, 1969), (1342, 1790)]