258261340

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{85517}}^1$

素因数の和:85677

約数の個数: 24

約数和(自身を含む): 545946912

約数和(自身を除く): 287685572

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 85517, 171034, 342068, 427585, 855170, 1710340, 12913067, 25826134, 51652268, 64565335, 129130670, 258261340]

約数ペア:

[(1, 258261340), (2, 129130670), (4, 64565335), (5, 51652268), (10, 25826134), (20, 12913067), (151, 1710340), (302, 855170), (604, 427585), (755, 342068), (1510, 171034), (3020, 85517)]