313200020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2237143}}^1$

素因数の和:2237159

約数の個数: 24

約数和(自身を含む): 751680384

約数和(自身を除く): 438480364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2237143, 4474286, 8948572, 11185715, 15660001, 22371430, 31320002, 44742860, 62640004, 78300005, 156600010, 313200020]

約数ペア:

[(1, 313200020), (2, 156600010), (4, 78300005), (5, 62640004), (7, 44742860), (10, 31320002), (14, 22371430), (20, 15660001), (28, 11185715), (35, 8948572), (70, 4474286), (140, 2237143)]