1118184490

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{278849}}^1$

素因数の和:279257

約数の個数: 16

約数和(自身を含む): 2017758600

約数和(自身を除く): 899574110

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 278849, 557698, 1394245, 2788490, 111818449, 223636898, 559092245, 1118184490]

約数ペア:

[(1, 1118184490), (2, 559092245), (5, 223636898), (10, 111818449), (401, 2788490), (802, 1394245), (2005, 557698), (4010, 278849)]