205506900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{228341}}^1$

素因数の和:228361

約数の個数: 54

約数和(自身を含む): 644152782

約数和(自身を除く): 438645882

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, 228341, 456682, 685023, 913364, 1141705, 1370046, 2055069, 2283410, 2740092, 3425115, 4110138, 4566820, 5708525, 6850230, 8220276, 10275345, 11417050, 13700460, 17125575, 20550690, 22834100, 34251150, 41101380, 51376725, 68502300, 102753450, 205506900]

約数ペア:

[(1, 205506900), (2, 102753450), (3, 68502300), (4, 51376725), (5, 41101380), (6, 34251150), (9, 22834100), (10, 20550690), (12, 17125575), (15, 13700460), (18, 11417050), (20, 10275345), (25, 8220276), (30, 6850230), (36, 5708525), (45, 4566820), (50, 4110138), (60, 3425115), (75, 2740092), (90, 2283410), (100, 2055069), (150, 1370046), (180, 1141705), (225, 913364), (300, 685023), (450, 456682), (900, 228341)]