128184490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{261601}}^1$

素因数の和:261622

約数の個数: 24

約数和(自身を含む): 268403652

約数和(自身を除く): 140219162

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 261601, 523202, 1308005, 1831207, 2616010, 3662414, 9156035, 12818449, 18312070, 25636898, 64092245, 128184490]

約数ペア:

[(1, 128184490), (2, 64092245), (5, 25636898), (7, 18312070), (10, 12818449), (14, 9156035), (35, 3662414), (49, 2616010), (70, 1831207), (98, 1308005), (245, 523202), (490, 261601)]