28658900

素因数分解:

$2^2\times 5^2\times {\mathrm{286589}}^1$

素因数の和:286603

約数の個数: 18

約数和(自身を含む): 62190030

約数和(自身を除く): 33531130

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 286589, 573178, 1146356, 1432945, 2865890, 5731780, 7164725, 14329450, 28658900]

約数ペア:

[(1, 28658900), (2, 14329450), (4, 7164725), (5, 5731780), (10, 2865890), (20, 1432945), (25, 1146356), (50, 573178), (100, 286589)]