71750420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{512503}}^1$

素因数の和:512519

約数の個数: 24

約数和(自身を含む): 172201344

約数和(自身を除く): 100450924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 512503, 1025006, 2050012, 2562515, 3587521, 5125030, 7175042, 10250060, 14350084, 17937605, 35875210, 71750420]

約数ペア:

[(1, 71750420), (2, 35875210), (4, 17937605), (5, 14350084), (7, 10250060), (10, 7175042), (14, 5125030), (20, 3587521), (28, 2562515), (35, 2050012), (70, 1025006), (140, 512503)]