858473500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{39929}}^1$

素因数の和:39991

約数の個数: 48

約数和(自身を含む): 1918556640

約数和(自身を除く): 1060083140

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 500, 860, 1075, 2150, 4300, 5375, 10750, 21500, 39929, 79858, 159716, 199645, 399290, 798580, 998225, 1716947, 1996450, 3433894, 3992900, 4991125, 6867788, 8584735, 9982250, 17169470, 19964500, 34338940, 42923675, 85847350, 171694700, 214618375, 429236750, 858473500]

約数ペア:

[(1, 858473500), (2, 429236750), (4, 214618375), (5, 171694700), (10, 85847350), (20, 42923675), (25, 34338940), (43, 19964500), (50, 17169470), (86, 9982250), (100, 8584735), (125, 6867788), (172, 4991125), (215, 3992900), (250, 3433894), (430, 1996450), (500, 1716947), (860, 998225), (1075, 798580), (2150, 399290), (4300, 199645), (5375, 159716), (10750, 79858), (21500, 39929)]