858554740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2525161}}^1$

素因数の和:2525187

約数の個数: 24

約数和(自身を含む): 1909022472

約数和(自身を除く): 1050467732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2525161, 5050322, 10100644, 12625805, 25251610, 42927737, 50503220, 85855474, 171710948, 214638685, 429277370, 858554740]

約数ペア:

[(1, 858554740), (2, 429277370), (4, 214638685), (5, 171710948), (10, 85855474), (17, 50503220), (20, 42927737), (34, 25251610), (68, 12625805), (85, 10100644), (170, 5050322), (340, 2525161)]