188045383780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{218657423}}^1$

素因数の和:218657475

約数の個数: 24

約数和(自身を含む): 404078919552

約数和(自身を除く): 216033535772

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 218657423, 437314846, 874629692, 1093287115, 2186574230, 4373148460, 9402269189, 18804538378, 37609076756, 47011345945, 94022691890, 188045383780]

約数ペア:

[(1, 188045383780), (2, 94022691890), (4, 47011345945), (5, 37609076756), (10, 18804538378), (20, 9402269189), (43, 4373148460), (86, 2186574230), (172, 1093287115), (215, 874629692), (430, 437314846), (860, 218657423)]