248236460

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{31907}}^1$

素因数の和:32305

約数の個数: 24

約数和(自身を含む): 522653040

約数和(自身を除く): 274416580

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 31907, 63814, 127628, 159535, 319070, 638140, 12411823, 24823646, 49647292, 62059115, 124118230, 248236460]

約数ペア:

[(1, 248236460), (2, 124118230), (4, 62059115), (5, 49647292), (10, 24823646), (20, 12411823), (389, 638140), (778, 319070), (1556, 159535), (1945, 127628), (3890, 63814), (7780, 31907)]