1889780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1549}}^1$

素因数の和:1619

約数の個数: 24

約数和(自身を含む): 4036200

約数和(自身を除く): 2146420

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1549, 3098, 6196, 7745, 15490, 30980, 94489, 188978, 377956, 472445, 944890, 1889780]

約数ペア:

[(1, 1889780), (2, 944890), (4, 472445), (5, 377956), (10, 188978), (20, 94489), (61, 30980), (122, 15490), (244, 7745), (305, 6196), (610, 3098), (1220, 1549)]