340780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1549}}^1$

素因数の和:1569

約数の個数: 24

約数和(自身を含む): 781200

約数和(自身を除く): 440420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1549, 3098, 6196, 7745, 15490, 17039, 30980, 34078, 68156, 85195, 170390, 340780]

約数ペア:

[(1, 340780), (2, 170390), (4, 85195), (5, 68156), (10, 34078), (11, 30980), (20, 17039), (22, 15490), (44, 7745), (55, 6196), (110, 3098), (220, 1549)]