81494000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{5821}}^1$

素因数の和:5851

約数の個数: 80

約数和(自身を含む): 225241536

約数和(自身を除く): 143747536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1750, 2000, 2800, 3500, 5821, 7000, 11642, 14000, 23284, 29105, 40747, 46568, 58210, 81494, 93136, 116420, 145525, 162988, 203735, 232840, 291050, 325976, 407470, 465680, 582100, 651952, 727625, 814940, 1018675, 1164200, 1455250, 1629880, 2037350, 2328400, 2910500, 3259760, 4074700, 5093375, 5821000, 8149400, 10186750, 11642000, 16298800, 20373500, 40747000, 81494000]

約数ペア:

[(1, 81494000), (2, 40747000), (4, 20373500), (5, 16298800), (7, 11642000), (8, 10186750), (10, 8149400), (14, 5821000), (16, 5093375), (20, 4074700), (25, 3259760), (28, 2910500), (35, 2328400), (40, 2037350), (50, 1629880), (56, 1455250), (70, 1164200), (80, 1018675), (100, 814940), (112, 727625), (125, 651952), (140, 582100), (175, 465680), (200, 407470), (250, 325976), (280, 291050), (350, 232840), (400, 203735), (500, 162988), (560, 145525), (700, 116420), (875, 93136), (1000, 81494), (1400, 58210), (1750, 46568), (2000, 40747), (2800, 29105), (3500, 23284), (5821, 14000), (7000, 11642)]