64813000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 177914880

約数和(自身を除く): 113101880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 47, 50, 56, 70, 94, 100, 125, 140, 175, 188, 197, 200, 235, 250, 280, 329, 350, 376, 394, 470, 500, 658, 700, 788, 875, 940, 985, 1000, 1175, 1316, 1379, 1400, 1576, 1645, 1750, 1880, 1970, 2350, 2632, 2758, 3290, 3500, 3940, 4700, 4925, 5516, 5875, 6580, 6895, 7000, 7880, 8225, 9259, 9400, 9850, 11032, 11750, 13160, 13790, 16450, 18518, 19700, 23500, 24625, 27580, 32900, 34475, 37036, 39400, 41125, 46295, 47000, 49250, 55160, 64813, 65800, 68950, 74072, 82250, 92590, 98500, 129626, 137900, 164500, 172375, 185180, 197000, 231475, 259252, 275800, 324065, 329000, 344750, 370360, 462950, 518504, 648130, 689500, 925900, 1157375, 1296260, 1379000, 1620325, 1851800, 2314750, 2592520, 3240650, 4629500, 6481300, 8101625, 9259000, 12962600, 16203250, 32406500, 64813000]

約数ペア:

[(1, 64813000), (2, 32406500), (4, 16203250), (5, 12962600), (7, 9259000), (8, 8101625), (10, 6481300), (14, 4629500), (20, 3240650), (25, 2592520), (28, 2314750), (35, 1851800), (40, 1620325), (47, 1379000), (50, 1296260), (56, 1157375), (70, 925900), (94, 689500), (100, 648130), (125, 518504), (140, 462950), (175, 370360), (188, 344750), (197, 329000), (200, 324065), (235, 275800), (250, 259252), (280, 231475), (329, 197000), (350, 185180), (376, 172375), (394, 164500), (470, 137900), (500, 129626), (658, 98500), (700, 92590), (788, 82250), (875, 74072), (940, 68950), (985, 65800), (1000, 64813), (1175, 55160), (1316, 49250), (1379, 47000), (1400, 46295), (1576, 41125), (1645, 39400), (1750, 37036), (1880, 34475), (1970, 32900), (2350, 27580), (2632, 24625), (2758, 23500), (3290, 19700), (3500, 18518), (3940, 16450), (4700, 13790), (4925, 13160), (5516, 11750), (5875, 11032), (6580, 9850), (6895, 9400), (7000, 9259), (7880, 8225)]