30621220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{218723}}^1$

素因数の和:218739

約数の個数: 24

約数和(自身を含む): 73491264

約数和(自身を除く): 42870044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 218723, 437446, 874892, 1093615, 1531061, 2187230, 3062122, 4374460, 6124244, 7655305, 15310610, 30621220]

約数ペア:

[(1, 30621220), (2, 15310610), (4, 7655305), (5, 6124244), (7, 4374460), (10, 3062122), (14, 2187230), (20, 1531061), (28, 1093615), (35, 874892), (70, 437446), (140, 218723)]