56744660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{991}}^1$

素因数の和:1416

約数の個数: 48

約数和(自身を含む): 136657920

約数和(自身を除く): 79913260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 991, 1636, 1982, 2045, 2863, 3964, 4090, 4955, 5726, 6937, 8180, 9910, 11452, 13874, 14315, 19820, 27748, 28630, 34685, 57260, 69370, 138740, 405319, 810638, 1621276, 2026595, 2837233, 4053190, 5674466, 8106380, 11348932, 14186165, 28372330, 56744660]

約数ペア:

[(1, 56744660), (2, 28372330), (4, 14186165), (5, 11348932), (7, 8106380), (10, 5674466), (14, 4053190), (20, 2837233), (28, 2026595), (35, 1621276), (70, 810638), (140, 405319), (409, 138740), (818, 69370), (991, 57260), (1636, 34685), (1982, 28630), (2045, 27748), (2863, 19820), (3964, 14315), (4090, 13874), (4955, 11452), (5726, 9910), (6937, 8180)]