869260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{887}}^1$

素因数の和:910

約数の個数: 36

約数和(自身を含む): 2125872

約数和(自身を除く): 1256612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 887, 980, 1774, 3548, 4435, 6209, 8870, 12418, 17740, 24836, 31045, 43463, 62090, 86926, 124180, 173852, 217315, 434630, 869260]

約数ペア:

[(1, 869260), (2, 434630), (4, 217315), (5, 173852), (7, 124180), (10, 86926), (14, 62090), (20, 43463), (28, 31045), (35, 24836), (49, 17740), (70, 12418), (98, 8870), (140, 6209), (196, 4435), (245, 3548), (490, 1774), (887, 980)]