1250220000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:411

約数の個数: 240

約数和(自身を含む): 4175563392

約数和(自身を除く): 2925343392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 67, 75, 80, 96, 100, 120, 125, 134, 150, 160, 200, 201, 240, 250, 268, 300, 311, 335, 375, 400, 402, 480, 500, 536, 600, 622, 625, 670, 750, 800, 804, 933, 1000, 1005, 1072, 1200, 1244, 1250, 1340, 1500, 1555, 1608, 1675, 1866, 1875, 2000, 2010, 2144, 2400, 2488, 2500, 2680, 3000, 3110, 3216, 3350, 3732, 3750, 4000, 4020, 4665, 4976, 5000, 5025, 5360, 6000, 6220, 6432, 6700, 7464, 7500, 7775, 8040, 8375, 9330, 9952, 10000, 10050, 10720, 12000, 12440, 13400, 14928, 15000, 15550, 16080, 16750, 18660, 20000, 20100, 20837, 23325, 24880, 25125, 26800, 29856, 30000, 31100, 32160, 33500, 37320, 38875, 40200, 41674, 41875, 46650, 49760, 50250, 53600, 60000, 62200, 62511, 67000, 74640, 77750, 80400, 83348, 83750, 93300, 100500, 104185, 116625, 124400, 125022, 125625, 134000, 149280, 155500, 160800, 166696, 167500, 186600, 194375, 201000, 208370, 233250, 248800, 250044, 251250, 268000, 311000, 312555, 333392, 335000, 373200, 388750, 402000, 416740, 466500, 500088, 502500, 520925, 583125, 622000, 625110, 666784, 670000, 746400, 777500, 804000, 833480, 933000, 1000176, 1005000, 1041850, 1166250, 1244000, 1250220, 1340000, 1555000, 1562775, 1666960, 1866000, 2000352, 2010000, 2083700, 2332500, 2500440, 2604625, 3110000, 3125550, 3333920, 3732000, 4020000, 4167400, 4665000, 5000880, 5209250, 6220000, 6251100, 7813875, 8334800, 9330000, 10001760, 10418500, 12502200, 13023125, 15627750, 16669600, 18660000, 20837000, 25004400, 26046250, 31255500, 39069375, 41674000, 50008800, 52092500, 62511000, 78138750, 83348000, 104185000, 125022000, 156277500, 208370000, 250044000, 312555000, 416740000, 625110000, 1250220000]

約数ペア:

[(1, 1250220000), (2, 625110000), (3, 416740000), (4, 312555000), (5, 250044000), (6, 208370000), (8, 156277500), (10, 125022000), (12, 104185000), (15, 83348000), (16, 78138750), (20, 62511000), (24, 52092500), (25, 50008800), (30, 41674000), (32, 39069375), (40, 31255500), (48, 26046250), (50, 25004400), (60, 20837000), (67, 18660000), (75, 16669600), (80, 15627750), (96, 13023125), (100, 12502200), (120, 10418500), (125, 10001760), (134, 9330000), (150, 8334800), (160, 7813875), (200, 6251100), (201, 6220000), (240, 5209250), (250, 5000880), (268, 4665000), (300, 4167400), (311, 4020000), (335, 3732000), (375, 3333920), (400, 3125550), (402, 3110000), (480, 2604625), (500, 2500440), (536, 2332500), (600, 2083700), (622, 2010000), (625, 2000352), (670, 1866000), (750, 1666960), (800, 1562775), (804, 1555000), (933, 1340000), (1000, 1250220), (1005, 1244000), (1072, 1166250), (1200, 1041850), (1244, 1005000), (1250, 1000176), (1340, 933000), (1500, 833480), (1555, 804000), (1608, 777500), (1675, 746400), (1866, 670000), (1875, 666784), (2000, 625110), (2010, 622000), (2144, 583125), (2400, 520925), (2488, 502500), (2500, 500088), (2680, 466500), (3000, 416740), (3110, 402000), (3216, 388750), (3350, 373200), (3732, 335000), (3750, 333392), (4000, 312555), (4020, 311000), (4665, 268000), (4976, 251250), (5000, 250044), (5025, 248800), (5360, 233250), (6000, 208370), (6220, 201000), (6432, 194375), (6700, 186600), (7464, 167500), (7500, 166696), (7775, 160800), (8040, 155500), (8375, 149280), (9330, 134000), (9952, 125625), (10000, 125022), (10050, 124400), (10720, 116625), (12000, 104185), (12440, 100500), (13400, 93300), (14928, 83750), (15000, 83348), (15550, 80400), (16080, 77750), (16750, 74640), (18660, 67000), (20000, 62511), (20100, 62200), (20837, 60000), (23325, 53600), (24880, 50250), (25125, 49760), (26800, 46650), (29856, 41875), (30000, 41674), (31100, 40200), (32160, 38875), (33500, 37320)]