128429100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{142699}}^1$

素因数の和:142719

約数の個数: 54

約数和(自身を含む): 402556700

約数和(自身を除く): 274127600

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, 142699, 285398, 428097, 570796, 713495, 856194, 1284291, 1426990, 1712388, 2140485, 2568582, 2853980, 3567475, 4280970, 5137164, 6421455, 7134950, 8561940, 10702425, 12842910, 14269900, 21404850, 25685820, 32107275, 42809700, 64214550, 128429100]

約数ペア:

[(1, 128429100), (2, 64214550), (3, 42809700), (4, 32107275), (5, 25685820), (6, 21404850), (9, 14269900), (10, 12842910), (12, 10702425), (15, 8561940), (18, 7134950), (20, 6421455), (25, 5137164), (30, 4280970), (36, 3567475), (45, 2853980), (50, 2568582), (60, 2140485), (75, 1712388), (90, 1426990), (100, 1284291), (150, 856194), (180, 713495), (225, 570796), (300, 428097), (450, 285398), (900, 142699)]