78938000

素因数分解:

$2^4\times 5^3\times {\mathrm{29}}^1\times {\mathrm{1361}}^1$

素因数の和:1413

約数の個数: 80

約数和(自身を含む): 197598960

約数和(自身を除く): 118660960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 125, 145, 200, 232, 250, 290, 400, 464, 500, 580, 725, 1000, 1160, 1361, 1450, 2000, 2320, 2722, 2900, 3625, 5444, 5800, 6805, 7250, 10888, 11600, 13610, 14500, 21776, 27220, 29000, 34025, 39469, 54440, 58000, 68050, 78938, 108880, 136100, 157876, 170125, 197345, 272200, 315752, 340250, 394690, 544400, 631504, 680500, 789380, 986725, 1361000, 1578760, 1973450, 2722000, 3157520, 3946900, 4933625, 7893800, 9867250, 15787600, 19734500, 39469000, 78938000]

約数ペア:

[(1, 78938000), (2, 39469000), (4, 19734500), (5, 15787600), (8, 9867250), (10, 7893800), (16, 4933625), (20, 3946900), (25, 3157520), (29, 2722000), (40, 1973450), (50, 1578760), (58, 1361000), (80, 986725), (100, 789380), (116, 680500), (125, 631504), (145, 544400), (200, 394690), (232, 340250), (250, 315752), (290, 272200), (400, 197345), (464, 170125), (500, 157876), (580, 136100), (725, 108880), (1000, 78938), (1160, 68050), (1361, 58000), (1450, 54440), (2000, 39469), (2320, 34025), (2722, 29000), (2900, 27220), (3625, 21776), (5444, 14500), (5800, 13610), (6805, 11600), (7250, 10888)]