89998000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2647}}^1$

素因数の和:2687

約数の個数: 80

約数和(自身を含む): 230503104

約数和(自身を除く): 140505104

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 250, 272, 340, 400, 425, 500, 680, 850, 1000, 1360, 1700, 2000, 2125, 2647, 3400, 4250, 5294, 6800, 8500, 10588, 13235, 17000, 21176, 26470, 34000, 42352, 44999, 52940, 66175, 89998, 105880, 132350, 179996, 211760, 224995, 264700, 330875, 359992, 449990, 529400, 661750, 719984, 899980, 1058800, 1124975, 1323500, 1799960, 2249950, 2647000, 3599920, 4499900, 5294000, 5624875, 8999800, 11249750, 17999600, 22499500, 44999000, 89998000]

約数ペア:

[(1, 89998000), (2, 44999000), (4, 22499500), (5, 17999600), (8, 11249750), (10, 8999800), (16, 5624875), (17, 5294000), (20, 4499900), (25, 3599920), (34, 2647000), (40, 2249950), (50, 1799960), (68, 1323500), (80, 1124975), (85, 1058800), (100, 899980), (125, 719984), (136, 661750), (170, 529400), (200, 449990), (250, 359992), (272, 330875), (340, 264700), (400, 224995), (425, 211760), (500, 179996), (680, 132350), (850, 105880), (1000, 89998), (1360, 66175), (1700, 52940), (2000, 44999), (2125, 42352), (2647, 34000), (3400, 26470), (4250, 21176), (5294, 17000), (6800, 13235), (8500, 10588)]