220415090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{4001}}^1$

素因数の和:4802

約数の個数: 32

約数和(自身を含む): 454114944

約数和(自身を除く): 233699854

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 787, 1574, 3935, 4001, 5509, 7870, 8002, 11018, 20005, 27545, 28007, 40010, 55090, 56014, 140035, 280070, 3148787, 6297574, 15743935, 22041509, 31487870, 44083018, 110207545, 220415090]

約数ペア:

[(1, 220415090), (2, 110207545), (5, 44083018), (7, 31487870), (10, 22041509), (14, 15743935), (35, 6297574), (70, 3148787), (787, 280070), (1574, 140035), (3935, 56014), (4001, 55090), (5509, 40010), (7870, 28007), (8002, 27545), (11018, 20005)]