289090460

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{135089}}^1$

素因数の和:135205

約数の個数: 24

約数和(自身を含む): 612768240

約数和(自身を除く): 323677780

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 135089, 270178, 540356, 675445, 1350890, 2701780, 14454523, 28909046, 57818092, 72272615, 144545230, 289090460]

約数ペア:

[(1, 289090460), (2, 144545230), (4, 72272615), (5, 57818092), (10, 28909046), (20, 14454523), (107, 2701780), (214, 1350890), (428, 675445), (535, 540356), (1070, 270178), (2140, 135089)]