218590960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{55763}}^1$

素因数の和:55790

約数の個数: 60

約数和(自身を含む): 591209928

約数和(自身を除く): 372618968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 55763, 111526, 223052, 278815, 390341, 446104, 557630, 780682, 892208, 1115260, 1561364, 1951705, 2230520, 2732387, 3122728, 3903410, 4461040, 5464774, 6245456, 7806820, 10929548, 13661935, 15613640, 21859096, 27323870, 31227280, 43718192, 54647740, 109295480, 218590960]

約数ペア:

[(1, 218590960), (2, 109295480), (4, 54647740), (5, 43718192), (7, 31227280), (8, 27323870), (10, 21859096), (14, 15613640), (16, 13661935), (20, 10929548), (28, 7806820), (35, 6245456), (40, 5464774), (49, 4461040), (56, 3903410), (70, 3122728), (80, 2732387), (98, 2230520), (112, 1951705), (140, 1561364), (196, 1115260), (245, 892208), (280, 780682), (392, 557630), (490, 446104), (560, 390341), (784, 278815), (980, 223052), (1960, 111526), (3920, 55763)]