190038391220

素因数分解:

$2^2\times 5^1\times {\mathrm{45161}}^1\times {\mathrm{210401}}^1$

素因数の和:255571

約数の個数: 24

約数和(自身を含む): 399091355208

約数和(自身を除く): 209052963988

約数列:

[1, 2, 4, 5, 10, 20, 45161, 90322, 180644, 210401, 225805, 420802, 451610, 841604, 903220, 1052005, 2104010, 4208020, 9501919561, 19003839122, 38007678244, 47509597805, 95019195610, 190038391220]

約数ペア:

[(1, 190038391220), (2, 95019195610), (4, 47509597805), (5, 38007678244), (10, 19003839122), (20, 9501919561), (45161, 4208020), (90322, 2104010), (180644, 1052005), (210401, 903220), (225805, 841604), (420802, 451610)]