29948500

素因数分解:

$2^2\times 5^3\times {\mathrm{89}}^1\times {\mathrm{673}}^1$

素因数の和:781

約数の個数: 48

約数和(自身を含む): 66240720

約数和(自身を除く): 36292220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 125, 178, 250, 356, 445, 500, 673, 890, 1346, 1780, 2225, 2692, 3365, 4450, 6730, 8900, 11125, 13460, 16825, 22250, 33650, 44500, 59897, 67300, 84125, 119794, 168250, 239588, 299485, 336500, 598970, 1197940, 1497425, 2994850, 5989700, 7487125, 14974250, 29948500]

約数ペア:

[(1, 29948500), (2, 14974250), (4, 7487125), (5, 5989700), (10, 2994850), (20, 1497425), (25, 1197940), (50, 598970), (89, 336500), (100, 299485), (125, 239588), (178, 168250), (250, 119794), (356, 84125), (445, 67300), (500, 59897), (673, 44500), (890, 33650), (1346, 22250), (1780, 16825), (2225, 13460), (2692, 11125), (3365, 8900), (4450, 6730)]