1384880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2473}}^1$

素因数の和:2493

約数の個数: 40

約数和(自身を含む): 3681312

約数和(自身を除く): 2296432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2473, 4946, 9892, 12365, 17311, 19784, 24730, 34622, 39568, 49460, 69244, 86555, 98920, 138488, 173110, 197840, 276976, 346220, 692440, 1384880]

約数ペア:

[(1, 1384880), (2, 692440), (4, 346220), (5, 276976), (7, 197840), (8, 173110), (10, 138488), (14, 98920), (16, 86555), (20, 69244), (28, 49460), (35, 39568), (40, 34622), (56, 24730), (70, 19784), (80, 17311), (112, 12365), (140, 9892), (280, 4946), (560, 2473)]