890804870

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1\times {\mathrm{1861}}^1$

素因数の和:2336

約数の個数: 32

約数和(自身を含む): 1620029376

約数和(自身を除く): 729224506

約数列:

[1, 2, 5, 10, 151, 302, 317, 634, 755, 1510, 1585, 1861, 3170, 3722, 9305, 18610, 47867, 95734, 239335, 281011, 478670, 562022, 589937, 1179874, 1405055, 2810110, 2949685, 5899370, 89080487, 178160974, 445402435, 890804870]

約数ペア:

[(1, 890804870), (2, 445402435), (5, 178160974), (10, 89080487), (151, 5899370), (302, 2949685), (317, 2810110), (634, 1405055), (755, 1179874), (1510, 589937), (1585, 562022), (1861, 478670), (3170, 281011), (3722, 239335), (9305, 95734), (18610, 47867)]