207971260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{1499}}^1$

素因数の和:2506

約数の個数: 48

約数和(自身を含む): 499968000

約数和(自身を除く): 291996740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 991, 1499, 1982, 2998, 3964, 4955, 5996, 6937, 7495, 9910, 10493, 13874, 14990, 19820, 20986, 27748, 29980, 34685, 41972, 52465, 69370, 104930, 138740, 209860, 1485509, 2971018, 5942036, 7427545, 10398563, 14855090, 20797126, 29710180, 41594252, 51992815, 103985630, 207971260]

約数ペア:

[(1, 207971260), (2, 103985630), (4, 51992815), (5, 41594252), (7, 29710180), (10, 20797126), (14, 14855090), (20, 10398563), (28, 7427545), (35, 5942036), (70, 2971018), (140, 1485509), (991, 209860), (1499, 138740), (1982, 104930), (2998, 69370), (3964, 52465), (4955, 41972), (5996, 34685), (6937, 29980), (7495, 27748), (9910, 20986), (10493, 19820), (13874, 14990)]