31238060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223129}}^1$

素因数の和:223145

約数の個数: 24

約数和(自身を含む): 74971680

約数和(自身を除く): 43733620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223129, 446258, 892516, 1115645, 1561903, 2231290, 3123806, 4462580, 6247612, 7809515, 15619030, 31238060]

約数ペア:

[(1, 31238060), (2, 15619030), (4, 7809515), (5, 6247612), (7, 4462580), (10, 3123806), (14, 2231290), (20, 1561903), (28, 1115645), (35, 892516), (70, 446258), (140, 223129)]