263448980

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 561629376

約数和(自身を除く): 298180396

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 307, 401, 428, 535, 614, 802, 1070, 1228, 1535, 1604, 2005, 2140, 3070, 4010, 6140, 8020, 32849, 42907, 65698, 85814, 123107, 131396, 164245, 171628, 214535, 246214, 328490, 429070, 492428, 615535, 656980, 858140, 1231070, 2462140, 13172449, 26344898, 52689796, 65862245, 131724490, 263448980]

約数ペア:

[(1, 263448980), (2, 131724490), (4, 65862245), (5, 52689796), (10, 26344898), (20, 13172449), (107, 2462140), (214, 1231070), (307, 858140), (401, 656980), (428, 615535), (535, 492428), (614, 429070), (802, 328490), (1070, 246214), (1228, 214535), (1535, 171628), (1604, 164245), (2005, 131396), (2140, 123107), (3070, 85814), (4010, 65698), (6140, 42907), (8020, 32849)]