28432900

素因数分解:

$2^2\times 5^2\times {\mathrm{331}}^1\times {\mathrm{859}}^1$

素因数の和:1204

約数の個数: 36

約数和(自身を含む): 61957840

約数和(自身を除く): 33524940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 331, 662, 859, 1324, 1655, 1718, 3310, 3436, 4295, 6620, 8275, 8590, 16550, 17180, 21475, 33100, 42950, 85900, 284329, 568658, 1137316, 1421645, 2843290, 5686580, 7108225, 14216450, 28432900]

約数ペア:

[(1, 28432900), (2, 14216450), (4, 7108225), (5, 5686580), (10, 2843290), (20, 1421645), (25, 1137316), (50, 568658), (100, 284329), (331, 85900), (662, 42950), (859, 33100), (1324, 21475), (1655, 17180), (1718, 16550), (3310, 8590), (3436, 8275), (4295, 6620)]