27501800

素因数分解:

$2^3\times 5^2\times {\mathrm{199}}^1\times {\mathrm{691}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 64356000

約数和(自身を除く): 36854200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 199, 200, 398, 691, 796, 995, 1382, 1592, 1990, 2764, 3455, 3980, 4975, 5528, 6910, 7960, 9950, 13820, 17275, 19900, 27640, 34550, 39800, 69100, 137509, 138200, 275018, 550036, 687545, 1100072, 1375090, 2750180, 3437725, 5500360, 6875450, 13750900, 27501800]

約数ペア:

[(1, 27501800), (2, 13750900), (4, 6875450), (5, 5500360), (8, 3437725), (10, 2750180), (20, 1375090), (25, 1100072), (40, 687545), (50, 550036), (100, 275018), (199, 138200), (200, 137509), (398, 69100), (691, 39800), (796, 34550), (995, 27640), (1382, 19900), (1592, 17275), (1990, 13820), (2764, 9950), (3455, 7960), (3980, 6910), (4975, 5528)]