168664540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{4283}}^1$

素因数の和:4482

約数の個数: 48

約数和(自身を含む): 388644480

約数和(自身を除く): 219979940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 1790, 1969, 3580, 3938, 4283, 7876, 8566, 9845, 17132, 19690, 21415, 39380, 42830, 47113, 85660, 94226, 188452, 235565, 471130, 766657, 942260, 1533314, 3066628, 3833285, 7666570, 8433227, 15333140, 16866454, 33732908, 42166135, 84332270, 168664540]

約数ペア:

[(1, 168664540), (2, 84332270), (4, 42166135), (5, 33732908), (10, 16866454), (11, 15333140), (20, 8433227), (22, 7666570), (44, 3833285), (55, 3066628), (110, 1533314), (179, 942260), (220, 766657), (358, 471130), (716, 235565), (895, 188452), (1790, 94226), (1969, 85660), (3580, 47113), (3938, 42830), (4283, 39380), (7876, 21415), (8566, 19690), (9845, 17132)]