2051257697020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{299017157}}^1$

素因数の和:299017187

約数の個数: 48

約数和(自身を含む): 5023488254400

約数和(自身を除く): 2972230557380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 299017157, 598034314, 1196068628, 1495085785, 2093120099, 2990171570, 4186240198, 5980343140, 8372480396, 10465600495, 14651840693, 20931200990, 29303681386, 41862401980, 58607362772, 73259203465, 102562884851, 146518406930, 205125769702, 293036813860, 410251539404, 512814424255, 1025628848510, 2051257697020]

約数ペア:

[(1, 2051257697020), (2, 1025628848510), (4, 512814424255), (5, 410251539404), (7, 293036813860), (10, 205125769702), (14, 146518406930), (20, 102562884851), (28, 73259203465), (35, 58607362772), (49, 41862401980), (70, 29303681386), (98, 20931200990), (140, 14651840693), (196, 10465600495), (245, 8372480396), (343, 5980343140), (490, 4186240198), (686, 2990171570), (980, 2093120099), (1372, 1495085785), (1715, 1196068628), (3430, 598034314), (6860, 299017157)]