201714772840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{720409903}}^1$

素因数の和:720409921

約数の個数: 32

約数和(自身を含む): 518695130880

約数和(自身を除く): 316980358040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 720409903, 1440819806, 2881639612, 3602049515, 5042869321, 5763279224, 7204099030, 10085738642, 14408198060, 20171477284, 25214346605, 28816396120, 40342954568, 50428693210, 100857386420, 201714772840]

約数ペア:

[(1, 201714772840), (2, 100857386420), (4, 50428693210), (5, 40342954568), (7, 28816396120), (8, 25214346605), (10, 20171477284), (14, 14408198060), (20, 10085738642), (28, 7204099030), (35, 5763279224), (40, 5042869321), (56, 3602049515), (70, 2881639612), (140, 1440819806), (280, 720409903)]