210866012

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^2\times {\mathrm{383}}^1$

素因数の和:507

約数の個数: 54

約数和(自身を含む): 438657408

約数和(自身を除く): 227791396

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 371, 383, 742, 766, 1484, 1532, 2597, 2681, 2809, 5194, 5362, 5618, 10388, 10724, 11236, 18767, 19663, 20299, 37534, 39326, 40598, 75068, 78652, 81196, 137641, 142093, 275282, 284186, 550564, 568372, 994651, 1075847, 1989302, 2151694, 3978604, 4303388, 7530929, 15061858, 30123716, 52716503, 105433006, 210866012]

約数ペア:

[(1, 210866012), (2, 105433006), (4, 52716503), (7, 30123716), (14, 15061858), (28, 7530929), (49, 4303388), (53, 3978604), (98, 2151694), (106, 1989302), (196, 1075847), (212, 994651), (371, 568372), (383, 550564), (742, 284186), (766, 275282), (1484, 142093), (1532, 137641), (2597, 81196), (2681, 78652), (2809, 75068), (5194, 40598), (5362, 39326), (5618, 37534), (10388, 20299), (10724, 19663), (11236, 18767)]