2498755280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{43321}}^1$

素因数の和:43444

約数の個数: 80

約数和(自身を含む): 6704166144

約数和(自身を除く): 4205410864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 560, 721, 824, 1030, 1442, 1648, 2060, 2884, 3605, 4120, 5768, 7210, 8240, 11536, 14420, 28840, 43321, 57680, 86642, 173284, 216605, 303247, 346568, 433210, 606494, 693136, 866420, 1212988, 1516235, 1732840, 2425976, 3032470, 3465680, 4462063, 4851952, 6064940, 8924126, 12129880, 17848252, 22310315, 24259760, 31234441, 35696504, 44620630, 62468882, 71393008, 89241260, 124937764, 156172205, 178482520, 249875528, 312344410, 356965040, 499751056, 624688820, 1249377640, 2498755280]

約数ペア:

[(1, 2498755280), (2, 1249377640), (4, 624688820), (5, 499751056), (7, 356965040), (8, 312344410), (10, 249875528), (14, 178482520), (16, 156172205), (20, 124937764), (28, 89241260), (35, 71393008), (40, 62468882), (56, 44620630), (70, 35696504), (80, 31234441), (103, 24259760), (112, 22310315), (140, 17848252), (206, 12129880), (280, 8924126), (412, 6064940), (515, 4851952), (560, 4462063), (721, 3465680), (824, 3032470), (1030, 2425976), (1442, 1732840), (1648, 1516235), (2060, 1212988), (2884, 866420), (3605, 693136), (4120, 606494), (5768, 433210), (7210, 346568), (8240, 303247), (11536, 216605), (14420, 173284), (28840, 86642), (43321, 57680)]