9989140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{10193}}^1$

素因数の和:10216

約数の個数: 36

約数和(自身を含む): 24404436

約数和(自身を除く): 14415296

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 10193, 20386, 40772, 50965, 71351, 101930, 142702, 203860, 285404, 356755, 499457, 713510, 998914, 1427020, 1997828, 2497285, 4994570, 9989140]

約数ペア:

[(1, 9989140), (2, 4994570), (4, 2497285), (5, 1997828), (7, 1427020), (10, 998914), (14, 713510), (20, 499457), (28, 356755), (35, 285404), (49, 203860), (70, 142702), (98, 101930), (140, 71351), (196, 50965), (245, 40772), (490, 20386), (980, 10193)]