2028490

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1861}}^1$

素因数の和:1977

約数の個数: 16

約数和(自身を含む): 3686760

約数和(自身を除く): 1658270

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 1861, 3722, 9305, 18610, 202849, 405698, 1014245, 2028490]

約数ペア:

[(1, 2028490), (2, 1014245), (5, 405698), (10, 202849), (109, 18610), (218, 9305), (545, 3722), (1090, 1861)]