100990960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{25763}}^1$

素因数の和:25790

約数の個数: 60

約数和(自身を含む): 273149928

約数和(自身を除く): 172158968

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, 25763, 51526, 103052, 128815, 180341, 206104, 257630, 360682, 412208, 515260, 721364, 901705, 1030520, 1262387, 1442728, 1803410, 2061040, 2524774, 2885456, 3606820, 5049548, 6311935, 7213640, 10099096, 12623870, 14427280, 20198192, 25247740, 50495480, 100990960]

約数ペア:

[(1, 100990960), (2, 50495480), (4, 25247740), (5, 20198192), (7, 14427280), (8, 12623870), (10, 10099096), (14, 7213640), (16, 6311935), (20, 5049548), (28, 3606820), (35, 2885456), (40, 2524774), (49, 2061040), (56, 1803410), (70, 1442728), (80, 1262387), (98, 1030520), (112, 901705), (140, 721364), (196, 515260), (245, 412208), (280, 360682), (392, 257630), (490, 206104), (560, 180341), (784, 128815), (980, 103052), (1960, 51526), (3920, 25763)]