28971900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{32191}}^1$

素因数の和:32211

約数の個数: 54

約数和(自身を含む): 90813632

約数和(自身を除く): 61841732

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, 32191, 64382, 96573, 128764, 160955, 193146, 289719, 321910, 386292, 482865, 579438, 643820, 804775, 965730, 1158876, 1448595, 1609550, 1931460, 2414325, 2897190, 3219100, 4828650, 5794380, 7242975, 9657300, 14485950, 28971900]

約数ペア:

[(1, 28971900), (2, 14485950), (3, 9657300), (4, 7242975), (5, 5794380), (6, 4828650), (9, 3219100), (10, 2897190), (12, 2414325), (15, 1931460), (18, 1609550), (20, 1448595), (25, 1158876), (30, 965730), (36, 804775), (45, 643820), (50, 579438), (60, 482865), (75, 386292), (90, 321910), (100, 289719), (150, 193146), (180, 160955), (225, 128764), (300, 96573), (450, 64382), (900, 32191)]