28713291250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{36871}}^1$

素因数の和:36989

約数の個数: 80

約数和(自身を含む): 62201589120

約数和(自身を除く): 33488297870

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 89, 125, 175, 178, 250, 350, 445, 623, 625, 875, 890, 1246, 1250, 1750, 2225, 3115, 4375, 4450, 6230, 8750, 11125, 15575, 22250, 31150, 36871, 55625, 73742, 77875, 111250, 155750, 184355, 258097, 368710, 389375, 516194, 778750, 921775, 1290485, 1843550, 2580970, 3281519, 4608875, 6452425, 6563038, 9217750, 12904850, 16407595, 22970633, 23044375, 32262125, 32815190, 45941266, 46088750, 64524250, 82037975, 114853165, 161310625, 164075950, 229706330, 322621250, 410189875, 574265825, 820379750, 1148531650, 2050949375, 2871329125, 4101898750, 5742658250, 14356645625, 28713291250]

約数ペア:

[(1, 28713291250), (2, 14356645625), (5, 5742658250), (7, 4101898750), (10, 2871329125), (14, 2050949375), (25, 1148531650), (35, 820379750), (50, 574265825), (70, 410189875), (89, 322621250), (125, 229706330), (175, 164075950), (178, 161310625), (250, 114853165), (350, 82037975), (445, 64524250), (623, 46088750), (625, 45941266), (875, 32815190), (890, 32262125), (1246, 23044375), (1250, 22970633), (1750, 16407595), (2225, 12904850), (3115, 9217750), (4375, 6563038), (4450, 6452425), (6230, 4608875), (8750, 3281519), (11125, 2580970), (15575, 1843550), (22250, 1290485), (31150, 921775), (36871, 778750), (55625, 516194), (73742, 389375), (77875, 368710), (111250, 258097), (155750, 184355)]