858556060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{1543}}^1$

素因数の和:2242

約数の個数: 48

約数和(自身を含む): 1848946176

約数和(自身を除く): 990390116

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 647, 860, 1294, 1543, 2588, 3086, 3235, 6172, 6470, 7715, 12940, 15430, 27821, 30860, 55642, 66349, 111284, 132698, 139105, 265396, 278210, 331745, 556420, 663490, 998321, 1326980, 1996642, 3993284, 4991605, 9983210, 19966420, 42927803, 85855606, 171711212, 214639015, 429278030, 858556060]

約数ペア:

[(1, 858556060), (2, 429278030), (4, 214639015), (5, 171711212), (10, 85855606), (20, 42927803), (43, 19966420), (86, 9983210), (172, 4991605), (215, 3993284), (430, 1996642), (647, 1326980), (860, 998321), (1294, 663490), (1543, 556420), (2588, 331745), (3086, 278210), (3235, 265396), (6172, 139105), (6470, 132698), (7715, 111284), (12940, 66349), (15430, 55642), (27821, 30860)]