220360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{787}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 567360

約数和(自身を除く): 347000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 787, 1574, 3148, 3935, 5509, 6296, 7870, 11018, 15740, 22036, 27545, 31480, 44072, 55090, 110180, 220360]

約数ペア:

[(1, 220360), (2, 110180), (4, 55090), (5, 44072), (7, 31480), (8, 27545), (10, 22036), (14, 15740), (20, 11018), (28, 7870), (35, 6296), (40, 5509), (56, 3935), (70, 3148), (140, 1574), (280, 787)]