257519020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1170541}}^1$

素因数の和:1170561

約数の個数: 24

約数和(自身を含む): 589953168

約数和(自身を除く): 332434148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1170541, 2341082, 4682164, 5852705, 11705410, 12875951, 23410820, 25751902, 51503804, 64379755, 128759510, 257519020]

約数ペア:

[(1, 257519020), (2, 128759510), (4, 64379755), (5, 51503804), (10, 25751902), (11, 23410820), (20, 12875951), (22, 11705410), (44, 5852705), (55, 4682164), (110, 2341082), (220, 1170541)]