2757220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1549}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 5859000

約数和(自身を除く): 3101780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1549, 1780, 3098, 6196, 7745, 15490, 30980, 137861, 275722, 551444, 689305, 1378610, 2757220]

約数ペア:

[(1, 2757220), (2, 1378610), (4, 689305), (5, 551444), (10, 275722), (20, 137861), (89, 30980), (178, 15490), (356, 7745), (445, 6196), (890, 3098), (1549, 1780)]