290468860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{6841}}^1$

素因数の和:7054

約数の個数: 48

約数和(自身を含む): 668983392

約数和(自身を除く): 378514532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 193, 220, 386, 772, 965, 1930, 2123, 3860, 4246, 6841, 8492, 10615, 13682, 21230, 27364, 34205, 42460, 68410, 75251, 136820, 150502, 301004, 376255, 752510, 1320313, 1505020, 2640626, 5281252, 6601565, 13203130, 14523443, 26406260, 29046886, 58093772, 72617215, 145234430, 290468860]

約数ペア:

[(1, 290468860), (2, 145234430), (4, 72617215), (5, 58093772), (10, 29046886), (11, 26406260), (20, 14523443), (22, 13203130), (44, 6601565), (55, 5281252), (110, 2640626), (193, 1505020), (220, 1320313), (386, 752510), (772, 376255), (965, 301004), (1930, 150502), (2123, 136820), (3860, 75251), (4246, 68410), (6841, 42460), (8492, 34205), (10615, 27364), (13682, 21230)]