1021508740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{7296491}}^1$

素因数の和:7296507

約数の個数: 24

約数和(自身を含む): 2451621312

約数和(自身を除く): 1430112572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 7296491, 14592982, 29185964, 36482455, 51075437, 72964910, 102150874, 145929820, 204301748, 255377185, 510754370, 1021508740]

約数ペア:

[(1, 1021508740), (2, 510754370), (4, 255377185), (5, 204301748), (7, 145929820), (10, 102150874), (14, 72964910), (20, 51075437), (28, 36482455), (35, 29185964), (70, 14592982), (140, 7296491)]