907128460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{6479489}}^1$

素因数の和:6479505

約数の個数: 24

約数和(自身を含む): 2177108640

約数和(自身を除く): 1269980180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 6479489, 12958978, 25917956, 32397445, 45356423, 64794890, 90712846, 129589780, 181425692, 226782115, 453564230, 907128460]

約数ペア:

[(1, 907128460), (2, 453564230), (4, 226782115), (5, 181425692), (7, 129589780), (10, 90712846), (14, 64794890), (20, 45356423), (28, 32397445), (35, 25917956), (70, 12958978), (140, 6479489)]