6666220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 15448608

約数和(自身を除く): 8782388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 193, 220, 314, 386, 628, 772, 785, 965, 1570, 1727, 1930, 2123, 3140, 3454, 3860, 4246, 6908, 8492, 8635, 10615, 17270, 21230, 30301, 34540, 42460, 60602, 121204, 151505, 303010, 333311, 606020, 666622, 1333244, 1666555, 3333110, 6666220]

約数ペア:

[(1, 6666220), (2, 3333110), (4, 1666555), (5, 1333244), (10, 666622), (11, 606020), (20, 333311), (22, 303010), (44, 151505), (55, 121204), (110, 60602), (157, 42460), (193, 34540), (220, 30301), (314, 21230), (386, 17270), (628, 10615), (772, 8635), (785, 8492), (965, 6908), (1570, 4246), (1727, 3860), (1930, 3454), (2123, 3140)]