257897570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{859}}^1\times {\mathrm{4289}}^1$

素因数の和:5162

約数の個数: 32

約数和(自身を含む): 531273600

約数和(自身を除く): 273376030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 859, 1718, 4289, 4295, 6013, 8578, 8590, 12026, 21445, 30023, 30065, 42890, 60046, 60130, 150115, 300230, 3684251, 7368502, 18421255, 25789757, 36842510, 51579514, 128948785, 257897570]

約数ペア:

[(1, 257897570), (2, 128948785), (5, 51579514), (7, 36842510), (10, 25789757), (14, 18421255), (35, 7368502), (70, 3684251), (859, 300230), (1718, 150115), (4289, 60130), (4295, 60046), (6013, 42890), (8578, 30065), (8590, 30023), (12026, 21445)]