129283280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{230863}}^1$

素因数の和:230883

約数の個数: 40

約数和(自身を含む): 343525632

約数和(自身を除く): 214242352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 230863, 461726, 923452, 1154315, 1616041, 1846904, 2308630, 3232082, 3693808, 4617260, 6464164, 8080205, 9234520, 12928328, 16160410, 18469040, 25856656, 32320820, 64641640, 129283280]

約数ペア:

[(1, 129283280), (2, 64641640), (4, 32320820), (5, 25856656), (7, 18469040), (8, 16160410), (10, 12928328), (14, 9234520), (16, 8080205), (20, 6464164), (28, 4617260), (35, 3693808), (40, 3232082), (56, 2308630), (70, 1846904), (80, 1616041), (112, 1154315), (140, 923452), (280, 461726), (560, 230863)]