540400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{193}}^1$

素因数の和:218

約数の個数: 60

約数和(自身を含む): 1491472

約数和(自身を除く): 951072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 193, 200, 280, 350, 386, 400, 560, 700, 772, 965, 1351, 1400, 1544, 1930, 2702, 2800, 3088, 3860, 4825, 5404, 6755, 7720, 9650, 10808, 13510, 15440, 19300, 21616, 27020, 33775, 38600, 54040, 67550, 77200, 108080, 135100, 270200, 540400]

約数ペア:

[(1, 540400), (2, 270200), (4, 135100), (5, 108080), (7, 77200), (8, 67550), (10, 54040), (14, 38600), (16, 33775), (20, 27020), (25, 21616), (28, 19300), (35, 15440), (40, 13510), (50, 10808), (56, 9650), (70, 7720), (80, 6755), (100, 5404), (112, 4825), (140, 3860), (175, 3088), (193, 2800), (200, 2702), (280, 1930), (350, 1544), (386, 1400), (400, 1351), (560, 965), (700, 772)]