205479900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{228311}}^1$

素因数の和:228331

約数の個数: 54

約数和(自身を含む): 644068152

約数和(自身を除く): 438588252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 228311, 456622, 684933, 913244, 1141555, 1369866, 2054799, 2283110, 2739732, 3424665, 4109598, 4566220, 5707775, 6849330, 8219196, 10273995, 11415550, 13698660, 17123325, 20547990, 22831100, 34246650, 41095980, 51369975, 68493300, 102739950, 205479900]

約数ペア:

[(1, 205479900), (2, 102739950), (3, 68493300), (4, 51369975), (5, 41095980), (6, 34246650), (9, 22831100), (10, 20547990), (12, 17123325), (15, 13698660), (18, 11415550), (20, 10273995), (25, 8219196), (30, 6849330), (36, 5707775), (45, 4566220), (50, 4109598), (60, 3424665), (75, 2739732), (90, 2283110), (100, 2054799), (150, 1369866), (180, 1141555), (225, 913244), (300, 684933), (450, 456622), (900, 228311)]