38425420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{449}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 88452000

約数和(自身を除く): 50026580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 389, 449, 778, 898, 1556, 1796, 1945, 2245, 3890, 4279, 4490, 4939, 7780, 8558, 8980, 9878, 17116, 19756, 21395, 24695, 42790, 49390, 85580, 98780, 174661, 349322, 698644, 873305, 1746610, 1921271, 3493220, 3842542, 7685084, 9606355, 19212710, 38425420]

約数ペア:

[(1, 38425420), (2, 19212710), (4, 9606355), (5, 7685084), (10, 3842542), (11, 3493220), (20, 1921271), (22, 1746610), (44, 873305), (55, 698644), (110, 349322), (220, 174661), (389, 98780), (449, 85580), (778, 49390), (898, 42790), (1556, 24695), (1796, 21395), (1945, 19756), (2245, 17116), (3890, 9878), (4279, 8980), (4490, 8558), (4939, 7780)]