289095070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{138323}}^1$

素因数の和:138360

約数の個数: 32

約数和(自身を含む): 597559680

約数和(自身を除く): 308464610

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 138323, 276646, 691615, 1383230, 1521553, 2628137, 3043106, 5256274, 7607765, 13140685, 15215530, 26281370, 28909507, 57819014, 144547535, 289095070]

約数ペア:

[(1, 289095070), (2, 144547535), (5, 57819014), (10, 28909507), (11, 26281370), (19, 15215530), (22, 13140685), (38, 7607765), (55, 5256274), (95, 3043106), (110, 2628137), (190, 1521553), (209, 1383230), (418, 691615), (1045, 276646), (2090, 138323)]