17797220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127123}}^1$

素因数の和:127139

約数の個数: 24

約数和(自身を含む): 42713664

約数和(自身を除く): 24916444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 127123, 254246, 508492, 635615, 889861, 1271230, 1779722, 2542460, 3559444, 4449305, 8898610, 17797220]

約数ペア:

[(1, 17797220), (2, 8898610), (4, 4449305), (5, 3559444), (7, 2542460), (10, 1779722), (14, 1271230), (20, 889861), (28, 635615), (35, 508492), (70, 254246), (140, 127123)]