201920200

素因数分解:

$2^3\times 5^2\times {\mathrm{1009601}}^1$

素因数の和:1009617

約数の個数: 24

約数和(自身を含む): 469464930

約数和(自身を除く): 267544730

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1009601, 2019202, 4038404, 5048005, 8076808, 10096010, 20192020, 25240025, 40384040, 50480050, 100960100, 201920200]

約数ペア:

[(1, 201920200), (2, 100960100), (4, 50480050), (5, 40384040), (8, 25240025), (10, 20192020), (20, 10096010), (25, 8076808), (40, 5048005), (50, 4038404), (100, 2019202), (200, 1009601)]