80290000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 200

約数和(自身を含む): 235524608

約数和(自身を除く): 155234608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 37, 40, 50, 56, 62, 70, 74, 80, 100, 112, 124, 125, 140, 148, 155, 175, 185, 200, 217, 248, 250, 259, 280, 296, 310, 350, 370, 400, 434, 496, 500, 518, 560, 592, 620, 625, 700, 740, 775, 868, 875, 925, 1000, 1036, 1085, 1147, 1240, 1250, 1295, 1400, 1480, 1550, 1736, 1750, 1850, 2000, 2072, 2170, 2294, 2480, 2500, 2590, 2800, 2960, 3100, 3472, 3500, 3700, 3875, 4144, 4340, 4375, 4588, 4625, 5000, 5180, 5425, 5735, 6200, 6475, 7000, 7400, 7750, 8029, 8680, 8750, 9176, 9250, 10000, 10360, 10850, 11470, 12400, 12950, 14000, 14800, 15500, 16058, 17360, 17500, 18352, 18500, 19375, 20720, 21700, 22940, 23125, 25900, 27125, 28675, 31000, 32116, 32375, 35000, 37000, 38750, 40145, 43400, 45880, 46250, 51800, 54250, 57350, 62000, 64232, 64750, 70000, 74000, 77500, 80290, 86800, 91760, 92500, 103600, 108500, 114700, 128464, 129500, 135625, 143375, 155000, 160580, 161875, 185000, 200725, 217000, 229400, 259000, 271250, 286750, 310000, 321160, 323750, 370000, 401450, 434000, 458800, 518000, 542500, 573500, 642320, 647500, 716875, 802900, 1003625, 1085000, 1147000, 1295000, 1433750, 1605800, 2007250, 2170000, 2294000, 2590000, 2867500, 3211600, 4014500, 5018125, 5735000, 8029000, 10036250, 11470000, 16058000, 20072500, 40145000, 80290000]

約数ペア:

[(1, 80290000), (2, 40145000), (4, 20072500), (5, 16058000), (7, 11470000), (8, 10036250), (10, 8029000), (14, 5735000), (16, 5018125), (20, 4014500), (25, 3211600), (28, 2867500), (31, 2590000), (35, 2294000), (37, 2170000), (40, 2007250), (50, 1605800), (56, 1433750), (62, 1295000), (70, 1147000), (74, 1085000), (80, 1003625), (100, 802900), (112, 716875), (124, 647500), (125, 642320), (140, 573500), (148, 542500), (155, 518000), (175, 458800), (185, 434000), (200, 401450), (217, 370000), (248, 323750), (250, 321160), (259, 310000), (280, 286750), (296, 271250), (310, 259000), (350, 229400), (370, 217000), (400, 200725), (434, 185000), (496, 161875), (500, 160580), (518, 155000), (560, 143375), (592, 135625), (620, 129500), (625, 128464), (700, 114700), (740, 108500), (775, 103600), (868, 92500), (875, 91760), (925, 86800), (1000, 80290), (1036, 77500), (1085, 74000), (1147, 70000), (1240, 64750), (1250, 64232), (1295, 62000), (1400, 57350), (1480, 54250), (1550, 51800), (1736, 46250), (1750, 45880), (1850, 43400), (2000, 40145), (2072, 38750), (2170, 37000), (2294, 35000), (2480, 32375), (2500, 32116), (2590, 31000), (2800, 28675), (2960, 27125), (3100, 25900), (3472, 23125), (3500, 22940), (3700, 21700), (3875, 20720), (4144, 19375), (4340, 18500), (4375, 18352), (4588, 17500), (4625, 17360), (5000, 16058), (5180, 15500), (5425, 14800), (5735, 14000), (6200, 12950), (6475, 12400), (7000, 11470), (7400, 10850), (7750, 10360), (8029, 10000), (8680, 9250), (8750, 9176)]