57050420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{407503}}^1$

素因数の和:407519

約数の個数: 24

約数和(自身を含む): 136921344

約数和(自身を除く): 79870924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 407503, 815006, 1630012, 2037515, 2852521, 4075030, 5705042, 8150060, 11410084, 14262605, 28525210, 57050420]

約数ペア:

[(1, 57050420), (2, 28525210), (4, 14262605), (5, 11410084), (7, 8150060), (10, 5705042), (14, 4075030), (20, 2852521), (28, 2037515), (35, 1630012), (70, 815006), (140, 407503)]