2868740000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:729

約数の個数: 240

約数和(自身を含む): 8338530816

約数和(自身を除く): 5469790816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 125, 140, 155, 160, 175, 200, 217, 224, 248, 250, 280, 310, 350, 400, 434, 496, 500, 560, 620, 625, 661, 700, 775, 800, 868, 875, 992, 1000, 1085, 1120, 1240, 1250, 1322, 1400, 1550, 1736, 1750, 2000, 2170, 2480, 2500, 2644, 2800, 3100, 3305, 3472, 3500, 3875, 4000, 4340, 4375, 4627, 4960, 5000, 5288, 5425, 5600, 6200, 6610, 6944, 7000, 7750, 8680, 8750, 9254, 10000, 10576, 10850, 12400, 13220, 14000, 15500, 16525, 17360, 17500, 18508, 19375, 20000, 20491, 21152, 21700, 23135, 24800, 26440, 27125, 28000, 31000, 33050, 34720, 35000, 37016, 38750, 40982, 43400, 46270, 52880, 54250, 62000, 66100, 70000, 74032, 77500, 81964, 82625, 86800, 92540, 102455, 105760, 108500, 115675, 124000, 132200, 135625, 140000, 143437, 148064, 155000, 163928, 165250, 173600, 185080, 204910, 217000, 231350, 264400, 271250, 286874, 310000, 327856, 330500, 370160, 409820, 413125, 434000, 462700, 512275, 528800, 542500, 573748, 578375, 620000, 655712, 661000, 717185, 740320, 819640, 826250, 868000, 925400, 1024550, 1085000, 1147496, 1156750, 1322000, 1434370, 1639280, 1652500, 1850800, 2049100, 2170000, 2294992, 2313500, 2561375, 2644000, 2868740, 2891875, 3278560, 3305000, 3585925, 3701600, 4098200, 4340000, 4589984, 4627000, 5122750, 5737480, 5783750, 6610000, 7171850, 8196400, 9254000, 10245500, 11474960, 11567500, 12806875, 13220000, 14343700, 16392800, 17929625, 18508000, 20491000, 22949920, 23135000, 25613750, 28687400, 35859250, 40982000, 46270000, 51227500, 57374800, 71718500, 81964000, 89648125, 92540000, 102455000, 114749600, 143437000, 179296250, 204910000, 286874000, 358592500, 409820000, 573748000, 717185000, 1434370000, 2868740000]

約数ペア:

[(1, 2868740000), (2, 1434370000), (4, 717185000), (5, 573748000), (7, 409820000), (8, 358592500), (10, 286874000), (14, 204910000), (16, 179296250), (20, 143437000), (25, 114749600), (28, 102455000), (31, 92540000), (32, 89648125), (35, 81964000), (40, 71718500), (50, 57374800), (56, 51227500), (62, 46270000), (70, 40982000), (80, 35859250), (100, 28687400), (112, 25613750), (124, 23135000), (125, 22949920), (140, 20491000), (155, 18508000), (160, 17929625), (175, 16392800), (200, 14343700), (217, 13220000), (224, 12806875), (248, 11567500), (250, 11474960), (280, 10245500), (310, 9254000), (350, 8196400), (400, 7171850), (434, 6610000), (496, 5783750), (500, 5737480), (560, 5122750), (620, 4627000), (625, 4589984), (661, 4340000), (700, 4098200), (775, 3701600), (800, 3585925), (868, 3305000), (875, 3278560), (992, 2891875), (1000, 2868740), (1085, 2644000), (1120, 2561375), (1240, 2313500), (1250, 2294992), (1322, 2170000), (1400, 2049100), (1550, 1850800), (1736, 1652500), (1750, 1639280), (2000, 1434370), (2170, 1322000), (2480, 1156750), (2500, 1147496), (2644, 1085000), (2800, 1024550), (3100, 925400), (3305, 868000), (3472, 826250), (3500, 819640), (3875, 740320), (4000, 717185), (4340, 661000), (4375, 655712), (4627, 620000), (4960, 578375), (5000, 573748), (5288, 542500), (5425, 528800), (5600, 512275), (6200, 462700), (6610, 434000), (6944, 413125), (7000, 409820), (7750, 370160), (8680, 330500), (8750, 327856), (9254, 310000), (10000, 286874), (10576, 271250), (10850, 264400), (12400, 231350), (13220, 217000), (14000, 204910), (15500, 185080), (16525, 173600), (17360, 165250), (17500, 163928), (18508, 155000), (19375, 148064), (20000, 143437), (20491, 140000), (21152, 135625), (21700, 132200), (23135, 124000), (24800, 115675), (26440, 108500), (27125, 105760), (28000, 102455), (31000, 92540), (33050, 86800), (34720, 82625), (35000, 81964), (37016, 77500), (38750, 74032), (40982, 70000), (43400, 66100), (46270, 62000), (52880, 54250)]