22740620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1279}}^1$

素因数の和:1422

約数の個数: 48

約数和(自身を含む): 55050240

約数和(自身を除く): 32309620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1279, 1778, 2540, 2558, 3556, 4445, 5116, 6395, 8890, 8953, 12790, 17780, 17906, 25580, 35812, 44765, 89530, 162433, 179060, 324866, 649732, 812165, 1137031, 1624330, 2274062, 3248660, 4548124, 5685155, 11370310, 22740620]

約数ペア:

[(1, 22740620), (2, 11370310), (4, 5685155), (5, 4548124), (7, 3248660), (10, 2274062), (14, 1624330), (20, 1137031), (28, 812165), (35, 649732), (70, 324866), (127, 179060), (140, 162433), (254, 89530), (508, 44765), (635, 35812), (889, 25580), (1270, 17906), (1279, 17780), (1778, 12790), (2540, 8953), (2558, 8890), (3556, 6395), (4445, 5116)]