2002000900

素因数分解:

$2^2\times 5^2\times {\mathrm{1061}}^1\times {\mathrm{18869}}^1$

素因数の和:19944

約数の個数: 36

約数和(自身を含む): 4348666980

約数和(自身を除く): 2346666080

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1061, 2122, 4244, 5305, 10610, 18869, 21220, 26525, 37738, 53050, 75476, 94345, 106100, 188690, 377380, 471725, 943450, 1886900, 20020009, 40040018, 80080036, 100100045, 200200090, 400400180, 500500225, 1001000450, 2002000900]

約数ペア:

[(1, 2002000900), (2, 1001000450), (4, 500500225), (5, 400400180), (10, 200200090), (20, 100100045), (25, 80080036), (50, 40040018), (100, 20020009), (1061, 1886900), (2122, 943450), (4244, 471725), (5305, 377380), (10610, 188690), (18869, 106100), (21220, 94345), (26525, 75476), (37738, 53050)]