356880020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2549143}}^1$

素因数の和:2549159

約数の個数: 24

約数和(自身を含む): 856512384

約数和(自身を除く): 499632364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2549143, 5098286, 10196572, 12745715, 17844001, 25491430, 35688002, 50982860, 71376004, 89220005, 178440010, 356880020]

約数ペア:

[(1, 356880020), (2, 178440010), (4, 89220005), (5, 71376004), (7, 50982860), (10, 35688002), (14, 25491430), (20, 17844001), (28, 12745715), (35, 10196572), (70, 5098286), (140, 2549143)]