1891400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{193}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 5141970

約数和(自身を除く): 3250570

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 193, 196, 200, 245, 280, 350, 386, 392, 490, 700, 772, 965, 980, 1225, 1351, 1400, 1544, 1930, 1960, 2450, 2702, 3860, 4825, 4900, 5404, 6755, 7720, 9457, 9650, 9800, 10808, 13510, 18914, 19300, 27020, 33775, 37828, 38600, 47285, 54040, 67550, 75656, 94570, 135100, 189140, 236425, 270200, 378280, 472850, 945700, 1891400]

約数ペア:

[(1, 1891400), (2, 945700), (4, 472850), (5, 378280), (7, 270200), (8, 236425), (10, 189140), (14, 135100), (20, 94570), (25, 75656), (28, 67550), (35, 54040), (40, 47285), (49, 38600), (50, 37828), (56, 33775), (70, 27020), (98, 19300), (100, 18914), (140, 13510), (175, 10808), (193, 9800), (196, 9650), (200, 9457), (245, 7720), (280, 6755), (350, 5404), (386, 4900), (392, 4825), (490, 3860), (700, 2702), (772, 2450), (965, 1960), (980, 1930), (1225, 1544), (1351, 1400)]