488996890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{2971}}^1$

素因数の和:3238

約数の個数: 32

約数和(自身を含む): 894453120

約数和(自身を除く): 405456230

約数列:

[1, 2, 5, 10, 109, 151, 218, 302, 545, 755, 1090, 1510, 2971, 5942, 14855, 16459, 29710, 32918, 82295, 164590, 323839, 448621, 647678, 897242, 1619195, 2243105, 3238390, 4486210, 48899689, 97799378, 244498445, 488996890]

約数ペア:

[(1, 488996890), (2, 244498445), (5, 97799378), (10, 48899689), (109, 4486210), (151, 3238390), (218, 2243105), (302, 1619195), (545, 897242), (755, 647678), (1090, 448621), (1510, 323839), (2971, 164590), (5942, 82295), (14855, 32918), (16459, 29710)]