858452860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{998201}}^1$

素因数の和:998253

約数の個数: 24

約数和(自身を含む): 1844677296

約数和(自身を除く): 986224436

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 998201, 1996402, 3992804, 4991005, 9982010, 19964020, 42922643, 85845286, 171690572, 214613215, 429226430, 858452860]

約数ペア:

[(1, 858452860), (2, 429226430), (4, 214613215), (5, 171690572), (10, 85845286), (20, 42922643), (43, 19964020), (86, 9982010), (172, 4991005), (215, 3992804), (430, 1996402), (860, 998201)]