1664180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11887}}^1$

素因数の和:11903

約数の個数: 24

約数和(自身を含む): 3994368

約数和(自身を除く): 2330188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11887, 23774, 47548, 59435, 83209, 118870, 166418, 237740, 332836, 416045, 832090, 1664180]

約数ペア:

[(1, 1664180), (2, 832090), (4, 416045), (5, 332836), (7, 237740), (10, 166418), (14, 118870), (20, 83209), (28, 59435), (35, 47548), (70, 23774), (140, 11887)]