8709260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8887}}^1$

素因数の和:8910

約数の個数: 36

約数和(自身を含む): 21277872

約数和(自身を除く): 12568612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8887, 17774, 35548, 44435, 62209, 88870, 124418, 177740, 248836, 311045, 435463, 622090, 870926, 1244180, 1741852, 2177315, 4354630, 8709260]

約数ペア:

[(1, 8709260), (2, 4354630), (4, 2177315), (5, 1741852), (7, 1244180), (10, 870926), (14, 622090), (20, 435463), (28, 311045), (35, 248836), (49, 177740), (70, 124418), (98, 88870), (140, 62209), (196, 44435), (245, 35548), (490, 17774), (980, 8887)]