999740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 2476992

約数和(自身を除く): 1477252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 193, 259, 370, 386, 518, 740, 772, 965, 1036, 1295, 1351, 1930, 2590, 2702, 3860, 5180, 5404, 6755, 7141, 13510, 14282, 27020, 28564, 35705, 49987, 71410, 99974, 142820, 199948, 249935, 499870, 999740]

約数ペア:

[(1, 999740), (2, 499870), (4, 249935), (5, 199948), (7, 142820), (10, 99974), (14, 71410), (20, 49987), (28, 35705), (35, 28564), (37, 27020), (70, 14282), (74, 13510), (140, 7141), (148, 6755), (185, 5404), (193, 5180), (259, 3860), (370, 2702), (386, 2590), (518, 1930), (740, 1351), (772, 1295), (965, 1036)]