1999480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 5307840

約数和(自身を除く): 3308360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 193, 259, 280, 296, 370, 386, 518, 740, 772, 965, 1036, 1295, 1351, 1480, 1544, 1930, 2072, 2590, 2702, 3860, 5180, 5404, 6755, 7141, 7720, 10360, 10808, 13510, 14282, 27020, 28564, 35705, 49987, 54040, 57128, 71410, 99974, 142820, 199948, 249935, 285640, 399896, 499870, 999740, 1999480]

約数ペア:

[(1, 1999480), (2, 999740), (4, 499870), (5, 399896), (7, 285640), (8, 249935), (10, 199948), (14, 142820), (20, 99974), (28, 71410), (35, 57128), (37, 54040), (40, 49987), (56, 35705), (70, 28564), (74, 27020), (140, 14282), (148, 13510), (185, 10808), (193, 10360), (259, 7720), (280, 7141), (296, 6755), (370, 5404), (386, 5180), (518, 3860), (740, 2702), (772, 2590), (965, 2072), (1036, 1930), (1295, 1544), (1351, 1480)]