28187100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31319}}^1$

素因数の和:31339

約数の個数: 54

約数和(自身を含む): 88353720

約数和(自身を除く): 60166620

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, 31319, 62638, 93957, 125276, 156595, 187914, 281871, 313190, 375828, 469785, 563742, 626380, 782975, 939570, 1127484, 1409355, 1565950, 1879140, 2348925, 2818710, 3131900, 4697850, 5637420, 7046775, 9395700, 14093550, 28187100]

約数ペア:

[(1, 28187100), (2, 14093550), (3, 9395700), (4, 7046775), (5, 5637420), (6, 4697850), (9, 3131900), (10, 2818710), (12, 2348925), (15, 1879140), (18, 1565950), (20, 1409355), (25, 1127484), (30, 939570), (36, 782975), (45, 626380), (50, 563742), (60, 469785), (75, 375828), (90, 313190), (100, 281871), (150, 187914), (180, 156595), (225, 125276), (300, 93957), (450, 62638), (900, 31319)]