2200900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1693}}^1$

素因数の和:1720

約数の個数: 36

約数和(自身を含む): 5146372

約数和(自身を除く): 2945472

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1693, 3386, 6772, 8465, 16930, 22009, 33860, 42325, 44018, 84650, 88036, 110045, 169300, 220090, 440180, 550225, 1100450, 2200900]

約数ペア:

[(1, 2200900), (2, 1100450), (4, 550225), (5, 440180), (10, 220090), (13, 169300), (20, 110045), (25, 88036), (26, 84650), (50, 44018), (52, 42325), (65, 33860), (100, 22009), (130, 16930), (260, 8465), (325, 6772), (650, 3386), (1300, 1693)]