1442420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{10303}}^1$

素因数の和:10319

約数の個数: 24

約数和(自身を含む): 3462144

約数和(自身を除く): 2019724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 10303, 20606, 41212, 51515, 72121, 103030, 144242, 206060, 288484, 360605, 721210, 1442420]

約数ペア:

[(1, 1442420), (2, 721210), (4, 360605), (5, 288484), (7, 206060), (10, 144242), (14, 103030), (20, 72121), (28, 51515), (35, 41212), (70, 20606), (140, 10303)]