393400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{281}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 1049040

約数和(自身を除く): 655640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 281, 350, 562, 700, 1124, 1400, 1405, 1967, 2248, 2810, 3934, 5620, 7025, 7868, 9835, 11240, 14050, 15736, 19670, 28100, 39340, 49175, 56200, 78680, 98350, 196700, 393400]

約数ペア:

[(1, 393400), (2, 196700), (4, 98350), (5, 78680), (7, 56200), (8, 49175), (10, 39340), (14, 28100), (20, 19670), (25, 15736), (28, 14050), (35, 11240), (40, 9835), (50, 7868), (56, 7025), (70, 5620), (100, 3934), (140, 2810), (175, 2248), (200, 1967), (280, 1405), (281, 1400), (350, 1124), (562, 700)]