129398440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{911}}^1$

素因数の和:1042

約数の個数: 64

約数和(自身を含む): 301397760

約数和(自身を除く): 171999320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 67, 106, 134, 212, 265, 268, 335, 424, 530, 536, 670, 911, 1060, 1340, 1822, 2120, 2680, 3551, 3644, 4555, 7102, 7288, 9110, 14204, 17755, 18220, 28408, 35510, 36440, 48283, 61037, 71020, 96566, 122074, 142040, 193132, 241415, 244148, 305185, 386264, 482830, 488296, 610370, 965660, 1220740, 1931320, 2441480, 3234961, 6469922, 12939844, 16174805, 25879688, 32349610, 64699220, 129398440]

約数ペア:

[(1, 129398440), (2, 64699220), (4, 32349610), (5, 25879688), (8, 16174805), (10, 12939844), (20, 6469922), (40, 3234961), (53, 2441480), (67, 1931320), (106, 1220740), (134, 965660), (212, 610370), (265, 488296), (268, 482830), (335, 386264), (424, 305185), (530, 244148), (536, 241415), (670, 193132), (911, 142040), (1060, 122074), (1340, 96566), (1822, 71020), (2120, 61037), (2680, 48283), (3551, 36440), (3644, 35510), (4555, 28408), (7102, 18220), (7288, 17755), (9110, 14204)]