71178740

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 152578944

約数和(自身を除く): 81400204

約数列:

[1, 2, 4, 5, 10, 20, 101, 167, 202, 211, 334, 404, 422, 505, 668, 835, 844, 1010, 1055, 1670, 2020, 2110, 3340, 4220, 16867, 21311, 33734, 35237, 42622, 67468, 70474, 84335, 85244, 106555, 140948, 168670, 176185, 213110, 337340, 352370, 426220, 704740, 3558937, 7117874, 14235748, 17794685, 35589370, 71178740]

約数ペア:

[(1, 71178740), (2, 35589370), (4, 17794685), (5, 14235748), (10, 7117874), (20, 3558937), (101, 704740), (167, 426220), (202, 352370), (211, 337340), (334, 213110), (404, 176185), (422, 168670), (505, 140948), (668, 106555), (835, 85244), (844, 84335), (1010, 70474), (1055, 67468), (1670, 42622), (2020, 35237), (2110, 33734), (3340, 21311), (4220, 16867)]