13750900

素因数分解:

$2^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{691}}^1$

素因数の和:904

約数の個数: 36

約数和(自身を含む): 30032800

約数和(自身を除く): 16281900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 199, 398, 691, 796, 995, 1382, 1990, 2764, 3455, 3980, 4975, 6910, 9950, 13820, 17275, 19900, 34550, 69100, 137509, 275018, 550036, 687545, 1375090, 2750180, 3437725, 6875450, 13750900]

約数ペア:

[(1, 13750900), (2, 6875450), (4, 3437725), (5, 2750180), (10, 1375090), (20, 687545), (25, 550036), (50, 275018), (100, 137509), (199, 69100), (398, 34550), (691, 19900), (796, 17275), (995, 13820), (1382, 9950), (1990, 6910), (2764, 4975), (3455, 3980)]