628670420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4490503}}^1$

素因数の和:4490519

約数の個数: 24

約数和(自身を含む): 1508809344

約数和(自身を除く): 880138924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4490503, 8981006, 17962012, 22452515, 31433521, 44905030, 62867042, 89810060, 125734084, 157167605, 314335210, 628670420]

約数ペア:

[(1, 628670420), (2, 314335210), (4, 157167605), (5, 125734084), (7, 89810060), (10, 62867042), (14, 44905030), (20, 31433521), (28, 22452515), (35, 17962012), (70, 8981006), (140, 4490503)]