666190000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:373

約数の個数: 200

約数和(自身を含む): 1908988928

約数和(自身を除く): 1242798928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 125, 140, 155, 175, 200, 217, 248, 250, 280, 307, 310, 350, 400, 434, 496, 500, 560, 614, 620, 625, 700, 775, 868, 875, 1000, 1085, 1228, 1240, 1250, 1400, 1535, 1550, 1736, 1750, 2000, 2149, 2170, 2456, 2480, 2500, 2800, 3070, 3100, 3472, 3500, 3875, 4298, 4340, 4375, 4912, 5000, 5425, 6140, 6200, 7000, 7675, 7750, 8596, 8680, 8750, 9517, 10000, 10745, 10850, 12280, 12400, 14000, 15350, 15500, 17192, 17360, 17500, 19034, 19375, 21490, 21700, 24560, 27125, 30700, 31000, 34384, 35000, 38068, 38375, 38750, 42980, 43400, 47585, 53725, 54250, 61400, 62000, 66619, 70000, 76136, 76750, 77500, 85960, 86800, 95170, 107450, 108500, 122800, 133238, 135625, 152272, 153500, 155000, 171920, 190340, 191875, 214900, 217000, 237925, 266476, 268625, 271250, 307000, 310000, 333095, 380680, 383750, 429800, 434000, 475850, 532952, 537250, 542500, 614000, 666190, 761360, 767500, 859600, 951700, 1065904, 1074500, 1085000, 1189625, 1332380, 1343125, 1535000, 1665475, 1903400, 2149000, 2170000, 2379250, 2664760, 2686250, 3070000, 3330950, 3806800, 4298000, 4758500, 5329520, 5372500, 5948125, 6661900, 8327375, 9517000, 10745000, 11896250, 13323800, 16654750, 19034000, 21490000, 23792500, 26647600, 33309500, 41636875, 47585000, 66619000, 83273750, 95170000, 133238000, 166547500, 333095000, 666190000]

約数ペア:

[(1, 666190000), (2, 333095000), (4, 166547500), (5, 133238000), (7, 95170000), (8, 83273750), (10, 66619000), (14, 47585000), (16, 41636875), (20, 33309500), (25, 26647600), (28, 23792500), (31, 21490000), (35, 19034000), (40, 16654750), (50, 13323800), (56, 11896250), (62, 10745000), (70, 9517000), (80, 8327375), (100, 6661900), (112, 5948125), (124, 5372500), (125, 5329520), (140, 4758500), (155, 4298000), (175, 3806800), (200, 3330950), (217, 3070000), (248, 2686250), (250, 2664760), (280, 2379250), (307, 2170000), (310, 2149000), (350, 1903400), (400, 1665475), (434, 1535000), (496, 1343125), (500, 1332380), (560, 1189625), (614, 1085000), (620, 1074500), (625, 1065904), (700, 951700), (775, 859600), (868, 767500), (875, 761360), (1000, 666190), (1085, 614000), (1228, 542500), (1240, 537250), (1250, 532952), (1400, 475850), (1535, 434000), (1550, 429800), (1736, 383750), (1750, 380680), (2000, 333095), (2149, 310000), (2170, 307000), (2456, 271250), (2480, 268625), (2500, 266476), (2800, 237925), (3070, 217000), (3100, 214900), (3472, 191875), (3500, 190340), (3875, 171920), (4298, 155000), (4340, 153500), (4375, 152272), (4912, 135625), (5000, 133238), (5425, 122800), (6140, 108500), (6200, 107450), (7000, 95170), (7675, 86800), (7750, 85960), (8596, 77500), (8680, 76750), (8750, 76136), (9517, 70000), (10000, 66619), (10745, 62000), (10850, 61400), (12280, 54250), (12400, 53725), (14000, 47585), (15350, 43400), (15500, 42980), (17192, 38750), (17360, 38375), (17500, 38068), (19034, 35000), (19375, 34384), (21490, 31000), (21700, 30700), (24560, 27125)]