554960

素因数分解:

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

素因数の和:1011

約数の個数: 40

約数和(自身を含む): 1476096

約数和(自身を除く): 921136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 991, 1982, 3964, 4955, 6937, 7928, 9910, 13874, 15856, 19820, 27748, 34685, 39640, 55496, 69370, 79280, 110992, 138740, 277480, 554960]

約数ペア:

[(1, 554960), (2, 277480), (4, 138740), (5, 110992), (7, 79280), (8, 69370), (10, 55496), (14, 39640), (16, 34685), (20, 27748), (28, 19820), (35, 15856), (40, 13874), (56, 9910), (70, 7928), (80, 6937), (112, 4955), (140, 3964), (280, 1982), (560, 991)]