404225540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{227093}}^1$

素因数の和:227191

約数の個数: 24

約数和(自身を含む): 858415320

約数和(自身を除く): 454189780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 227093, 454186, 908372, 1135465, 2270930, 4541860, 20211277, 40422554, 80845108, 101056385, 202112770, 404225540]

約数ペア:

[(1, 404225540), (2, 202112770), (4, 101056385), (5, 80845108), (10, 40422554), (20, 20211277), (89, 4541860), (178, 2270930), (356, 1135465), (445, 908372), (890, 454186), (1780, 227093)]