64916180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{9463}}^1$

素因数の和:9493

約数の個数: 48

約数和(自身を含む): 158995200

約数和(自身を除く): 94079020

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, 9463, 18926, 37852, 47315, 66241, 94630, 132482, 189260, 264964, 331205, 463687, 662410, 927374, 1324820, 1854748, 2318435, 3245809, 4636870, 6491618, 9273740, 12983236, 16229045, 32458090, 64916180]

約数ペア:

[(1, 64916180), (2, 32458090), (4, 16229045), (5, 12983236), (7, 9273740), (10, 6491618), (14, 4636870), (20, 3245809), (28, 2318435), (35, 1854748), (49, 1324820), (70, 927374), (98, 662410), (140, 463687), (196, 331205), (245, 264964), (343, 189260), (490, 132482), (686, 94630), (980, 66241), (1372, 47315), (1715, 37852), (3430, 18926), (6860, 9463)]