71291780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509227}}^1$

素因数の和:509243

約数の個数: 24

約数和(自身を含む): 171100608

約数和(自身を除く): 99808828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509227, 1018454, 2036908, 2546135, 3564589, 5092270, 7129178, 10184540, 14258356, 17822945, 35645890, 71291780]

約数ペア:

[(1, 71291780), (2, 35645890), (4, 17822945), (5, 14258356), (7, 10184540), (10, 7129178), (14, 5092270), (20, 3564589), (28, 2546135), (35, 2036908), (70, 1018454), (140, 509227)]