69085820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{487}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 149784768

約数和(自身を除く): 80698948

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 173, 205, 346, 410, 487, 692, 820, 865, 974, 1730, 1948, 2435, 3460, 4870, 7093, 9740, 14186, 19967, 28372, 35465, 39934, 70930, 79868, 84251, 99835, 141860, 168502, 199670, 337004, 399340, 421255, 842510, 1685020, 3454291, 6908582, 13817164, 17271455, 34542910, 69085820]

約数ペア:

[(1, 69085820), (2, 34542910), (4, 17271455), (5, 13817164), (10, 6908582), (20, 3454291), (41, 1685020), (82, 842510), (164, 421255), (173, 399340), (205, 337004), (346, 199670), (410, 168502), (487, 141860), (692, 99835), (820, 84251), (865, 79868), (974, 70930), (1730, 39934), (1948, 35465), (2435, 28372), (3460, 19967), (4870, 14186), (7093, 9740)]