997810000

素因数分解:

$2^4\times 5^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:279

約数の個数: 200

約数和(自身を含む): 2705433984

約数和(自身を除く): 1707623984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 47, 50, 55, 80, 88, 94, 100, 110, 125, 176, 188, 193, 200, 220, 235, 250, 275, 376, 386, 400, 440, 470, 500, 517, 550, 625, 752, 772, 880, 940, 965, 1000, 1034, 1100, 1175, 1250, 1375, 1544, 1880, 1930, 2000, 2068, 2123, 2200, 2350, 2500, 2585, 2750, 3088, 3760, 3860, 4136, 4246, 4400, 4700, 4825, 5000, 5170, 5500, 5875, 6875, 7720, 8272, 8492, 9071, 9400, 9650, 10000, 10340, 10615, 11000, 11750, 12925, 13750, 15440, 16984, 18142, 18800, 19300, 20680, 21230, 22000, 23500, 24125, 25850, 27500, 29375, 33968, 36284, 38600, 41360, 42460, 45355, 47000, 48250, 51700, 53075, 55000, 58750, 64625, 72568, 77200, 84920, 90710, 94000, 96500, 99781, 103400, 106150, 110000, 117500, 120625, 129250, 145136, 169840, 181420, 193000, 199562, 206800, 212300, 226775, 235000, 241250, 258500, 265375, 323125, 362840, 386000, 399124, 424600, 453550, 470000, 482500, 498905, 517000, 530750, 646250, 725680, 798248, 849200, 907100, 965000, 997810, 1034000, 1061500, 1133875, 1292500, 1326875, 1596496, 1814200, 1930000, 1995620, 2123000, 2267750, 2494525, 2585000, 2653750, 3628400, 3991240, 4246000, 4535500, 4989050, 5170000, 5307500, 5669375, 7982480, 9071000, 9978100, 10615000, 11338750, 12472625, 18142000, 19956200, 21230000, 22677500, 24945250, 39912400, 45355000, 49890500, 62363125, 90710000, 99781000, 124726250, 199562000, 249452500, 498905000, 997810000]

約数ペア:

[(1, 997810000), (2, 498905000), (4, 249452500), (5, 199562000), (8, 124726250), (10, 99781000), (11, 90710000), (16, 62363125), (20, 49890500), (22, 45355000), (25, 39912400), (40, 24945250), (44, 22677500), (47, 21230000), (50, 19956200), (55, 18142000), (80, 12472625), (88, 11338750), (94, 10615000), (100, 9978100), (110, 9071000), (125, 7982480), (176, 5669375), (188, 5307500), (193, 5170000), (200, 4989050), (220, 4535500), (235, 4246000), (250, 3991240), (275, 3628400), (376, 2653750), (386, 2585000), (400, 2494525), (440, 2267750), (470, 2123000), (500, 1995620), (517, 1930000), (550, 1814200), (625, 1596496), (752, 1326875), (772, 1292500), (880, 1133875), (940, 1061500), (965, 1034000), (1000, 997810), (1034, 965000), (1100, 907100), (1175, 849200), (1250, 798248), (1375, 725680), (1544, 646250), (1880, 530750), (1930, 517000), (2000, 498905), (2068, 482500), (2123, 470000), (2200, 453550), (2350, 424600), (2500, 399124), (2585, 386000), (2750, 362840), (3088, 323125), (3760, 265375), (3860, 258500), (4136, 241250), (4246, 235000), (4400, 226775), (4700, 212300), (4825, 206800), (5000, 199562), (5170, 193000), (5500, 181420), (5875, 169840), (6875, 145136), (7720, 129250), (8272, 120625), (8492, 117500), (9071, 110000), (9400, 106150), (9650, 103400), (10000, 99781), (10340, 96500), (10615, 94000), (11000, 90710), (11750, 84920), (12925, 77200), (13750, 72568), (15440, 64625), (16984, 58750), (18142, 55000), (18800, 53075), (19300, 51700), (20680, 48250), (21230, 47000), (22000, 45355), (23500, 42460), (24125, 41360), (25850, 38600), (27500, 36284), (29375, 33968)]