7769440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{991}}^1$

素因数の和:1020

約数の個数: 72

約数和(自身を含む): 21373632

約数和(自身を除く): 13604192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 991, 1120, 1568, 1960, 1982, 3920, 3964, 4955, 6937, 7840, 7928, 9910, 13874, 15856, 19820, 27748, 31712, 34685, 39640, 48559, 55496, 69370, 79280, 97118, 110992, 138740, 158560, 194236, 221984, 242795, 277480, 388472, 485590, 554960, 776944, 971180, 1109920, 1553888, 1942360, 3884720, 7769440]

約数ペア:

[(1, 7769440), (2, 3884720), (4, 1942360), (5, 1553888), (7, 1109920), (8, 971180), (10, 776944), (14, 554960), (16, 485590), (20, 388472), (28, 277480), (32, 242795), (35, 221984), (40, 194236), (49, 158560), (56, 138740), (70, 110992), (80, 97118), (98, 79280), (112, 69370), (140, 55496), (160, 48559), (196, 39640), (224, 34685), (245, 31712), (280, 27748), (392, 19820), (490, 15856), (560, 13874), (784, 9910), (980, 7928), (991, 7840), (1120, 6937), (1568, 4955), (1960, 3964), (1982, 3920)]