870838500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:647

約数の個数: 192

約数和(自身を含む): 2919780864

約数和(自身を除く): 2048942364

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 197, 210, 250, 300, 350, 375, 394, 420, 421, 500, 525, 591, 700, 750, 788, 842, 875, 985, 1050, 1182, 1263, 1379, 1500, 1684, 1750, 1970, 2100, 2105, 2364, 2526, 2625, 2758, 2947, 2955, 3500, 3940, 4137, 4210, 4925, 5052, 5250, 5516, 5894, 5910, 6315, 6895, 8274, 8420, 8841, 9850, 10500, 10525, 11788, 11820, 12630, 13790, 14735, 14775, 16548, 17682, 19700, 20685, 21050, 24625, 25260, 27580, 29470, 29550, 31575, 34475, 35364, 41370, 42100, 44205, 49250, 52625, 58940, 59100, 63150, 68950, 73675, 73875, 82740, 82937, 88410, 98500, 103425, 105250, 126300, 137900, 147350, 147750, 157875, 165874, 172375, 176820, 206850, 210500, 221025, 248811, 294700, 295500, 315750, 331748, 344750, 368375, 413700, 414685, 442050, 497622, 517125, 580559, 631500, 689500, 736750, 829370, 884100, 995244, 1034250, 1105125, 1161118, 1244055, 1473500, 1658740, 1741677, 2068500, 2073425, 2210250, 2322236, 2488110, 2902795, 3483354, 4146850, 4420500, 4976220, 5805590, 6220275, 6966708, 8293700, 8708385, 10367125, 11611180, 12440550, 14513975, 17416770, 20734250, 24881100, 29027950, 31101375, 34833540, 41468500, 43541925, 58055900, 62202750, 72569875, 87083850, 124405500, 145139750, 174167700, 217709625, 290279500, 435419250, 870838500]

約数ペア:

[(1, 870838500), (2, 435419250), (3, 290279500), (4, 217709625), (5, 174167700), (6, 145139750), (7, 124405500), (10, 87083850), (12, 72569875), (14, 62202750), (15, 58055900), (20, 43541925), (21, 41468500), (25, 34833540), (28, 31101375), (30, 29027950), (35, 24881100), (42, 20734250), (50, 17416770), (60, 14513975), (70, 12440550), (75, 11611180), (84, 10367125), (100, 8708385), (105, 8293700), (125, 6966708), (140, 6220275), (150, 5805590), (175, 4976220), (197, 4420500), (210, 4146850), (250, 3483354), (300, 2902795), (350, 2488110), (375, 2322236), (394, 2210250), (420, 2073425), (421, 2068500), (500, 1741677), (525, 1658740), (591, 1473500), (700, 1244055), (750, 1161118), (788, 1105125), (842, 1034250), (875, 995244), (985, 884100), (1050, 829370), (1182, 736750), (1263, 689500), (1379, 631500), (1500, 580559), (1684, 517125), (1750, 497622), (1970, 442050), (2100, 414685), (2105, 413700), (2364, 368375), (2526, 344750), (2625, 331748), (2758, 315750), (2947, 295500), (2955, 294700), (3500, 248811), (3940, 221025), (4137, 210500), (4210, 206850), (4925, 176820), (5052, 172375), (5250, 165874), (5516, 157875), (5894, 147750), (5910, 147350), (6315, 137900), (6895, 126300), (8274, 105250), (8420, 103425), (8841, 98500), (9850, 88410), (10500, 82937), (10525, 82740), (11788, 73875), (11820, 73675), (12630, 68950), (13790, 63150), (14735, 59100), (14775, 58940), (16548, 52625), (17682, 49250), (19700, 44205), (20685, 42100), (21050, 41370), (24625, 35364), (25260, 34475), (27580, 31575), (29470, 29550)]