3884720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{991}}^1$

素因数の和:1018

約数の個数: 60

約数和(自身を含む): 10517184

約数和(自身を除く): 6632464

約数列:

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

約数ペア:

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