247588180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{252641}}^1$

素因数の和:252664

約数の個数: 36

約数和(自身を含む): 604824948

約数和(自身を除く): 357236768

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 252641, 505282, 1010564, 1263205, 1768487, 2526410, 3536974, 5052820, 7073948, 8842435, 12379409, 17684870, 24758818, 35369740, 49517636, 61897045, 123794090, 247588180]

約数ペア:

[(1, 247588180), (2, 123794090), (4, 61897045), (5, 49517636), (7, 35369740), (10, 24758818), (14, 17684870), (20, 12379409), (28, 8842435), (35, 7073948), (49, 5052820), (70, 3536974), (98, 2526410), (140, 1768487), (196, 1263205), (245, 1010564), (490, 505282), (980, 252641)]