1109920

素因数分解:

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

素因数の和:1013

約数の個数: 48

約数和(自身を含む): 2999808

約数和(自身を除く): 1889888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 991, 1120, 1982, 3964, 4955, 6937, 7928, 9910, 13874, 15856, 19820, 27748, 31712, 34685, 39640, 55496, 69370, 79280, 110992, 138740, 158560, 221984, 277480, 554960, 1109920]

約数ペア:

[(1, 1109920), (2, 554960), (4, 277480), (5, 221984), (7, 158560), (8, 138740), (10, 110992), (14, 79280), (16, 69370), (20, 55496), (28, 39640), (32, 34685), (35, 31712), (40, 27748), (56, 19820), (70, 15856), (80, 13874), (112, 9910), (140, 7928), (160, 6937), (224, 4955), (280, 3964), (560, 1982), (991, 1120)]