630280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2251}}^1$

素因数の和:2269

約数の個数: 32

約数和(自身を含む): 1621440

約数和(自身を除く): 991160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2251, 4502, 9004, 11255, 15757, 18008, 22510, 31514, 45020, 63028, 78785, 90040, 126056, 157570, 315140, 630280]

約数ペア:

[(1, 630280), (2, 315140), (4, 157570), (5, 126056), (7, 90040), (8, 78785), (10, 63028), (14, 45020), (20, 31514), (28, 22510), (35, 18008), (40, 15757), (56, 11255), (70, 9004), (140, 4502), (280, 2251)]