2931020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1451}}^1$

素因数の和:1561

約数の個数: 24

約数和(自身を含む): 6220368

約数和(自身を除く): 3289348

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1451, 2020, 2902, 5804, 7255, 14510, 29020, 146551, 293102, 586204, 732755, 1465510, 2931020]

約数ペア:

[(1, 2931020), (2, 1465510), (4, 732755), (5, 586204), (10, 293102), (20, 146551), (101, 29020), (202, 14510), (404, 7255), (505, 5804), (1010, 2902), (1451, 2020)]