315140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2251}}^1$

素因数の和:2267

約数の個数: 24

約数和(自身を含む): 756672

約数和(自身を除く): 441532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2251, 4502, 9004, 11255, 15757, 22510, 31514, 45020, 63028, 78785, 157570, 315140]

約数ペア:

[(1, 315140), (2, 157570), (4, 78785), (5, 63028), (7, 45020), (10, 31514), (14, 22510), (20, 15757), (28, 11255), (35, 9004), (70, 4502), (140, 2251)]