205121140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{13693}}^1$

素因数の和:13816

約数の個数: 48

約数和(自身を含む): 496927872

約数和(自身を除く): 291806732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 13693, 14980, 27386, 54772, 68465, 95851, 136930, 191702, 273860, 383404, 479255, 958510, 1465151, 1917020, 2930302, 5860604, 7325755, 10256057, 14651510, 20512114, 29303020, 41024228, 51280285, 102560570, 205121140]

約数ペア:

[(1, 205121140), (2, 102560570), (4, 51280285), (5, 41024228), (7, 29303020), (10, 20512114), (14, 14651510), (20, 10256057), (28, 7325755), (35, 5860604), (70, 2930302), (107, 1917020), (140, 1465151), (214, 958510), (428, 479255), (535, 383404), (749, 273860), (1070, 191702), (1498, 136930), (2140, 95851), (2996, 68465), (3745, 54772), (7490, 27386), (13693, 14980)]