428326460

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{21017}}^1$

素因数の和:22045

約数の個数: 24

約数和(自身を含む): 900411120

約数和(自身を除く): 472084660

約数列:

[1, 2, 4, 5, 10, 20, 1019, 2038, 4076, 5095, 10190, 20380, 21017, 42034, 84068, 105085, 210170, 420340, 21416323, 42832646, 85665292, 107081615, 214163230, 428326460]

約数ペア:

[(1, 428326460), (2, 214163230), (4, 107081615), (5, 85665292), (10, 42832646), (20, 21416323), (1019, 420340), (2038, 210170), (4076, 105085), (5095, 84068), (10190, 42034), (20380, 21017)]