30039290

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{21611}}^1$

素因数の和:21757

約数の個数: 16

約数和(自身を含む): 54462240

約数和(自身を除く): 24422950

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 21611, 43222, 108055, 216110, 3003929, 6007858, 15019645, 30039290]

約数ペア:

[(1, 30039290), (2, 15019645), (5, 6007858), (10, 3003929), (139, 216110), (278, 108055), (695, 43222), (1390, 21611)]