11979400

素因数分解:

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

素因数の和:778

約数の個数: 48

約数和(自身を含む): 28206900

約数和(自身を除く): 16227500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 673, 712, 890, 1346, 1780, 2225, 2692, 3365, 3560, 4450, 5384, 6730, 8900, 13460, 16825, 17800, 26920, 33650, 59897, 67300, 119794, 134600, 239588, 299485, 479176, 598970, 1197940, 1497425, 2395880, 2994850, 5989700, 11979400]

約数ペア:

[(1, 11979400), (2, 5989700), (4, 2994850), (5, 2395880), (8, 1497425), (10, 1197940), (20, 598970), (25, 479176), (40, 299485), (50, 239588), (89, 134600), (100, 119794), (178, 67300), (200, 59897), (356, 33650), (445, 26920), (673, 17800), (712, 16825), (890, 13460), (1346, 8900), (1780, 6730), (2225, 5384), (2692, 4450), (3365, 3560)]