63404180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{991}}^1$

素因数の和:1464

約数の個数: 48

約数和(自身を含む): 152656896

約数和(自身を除く): 89252716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457, 914, 991, 1828, 1982, 2285, 3199, 3964, 4570, 4955, 6398, 6937, 9140, 9910, 12796, 13874, 15995, 19820, 27748, 31990, 34685, 63980, 69370, 138740, 452887, 905774, 1811548, 2264435, 3170209, 4528870, 6340418, 9057740, 12680836, 15851045, 31702090, 63404180]

約数ペア:

[(1, 63404180), (2, 31702090), (4, 15851045), (5, 12680836), (7, 9057740), (10, 6340418), (14, 4528870), (20, 3170209), (28, 2264435), (35, 1811548), (70, 905774), (140, 452887), (457, 138740), (914, 69370), (991, 63980), (1828, 34685), (1982, 31990), (2285, 27748), (3199, 19820), (3964, 15995), (4570, 13874), (4955, 12796), (6398, 9910), (6937, 9140)]