168396380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{118589}}^1$

素因数の和:118669

約数の個数: 24

約数和(自身を含む): 358616160

約数和(自身を除く): 190219780

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 118589, 237178, 474356, 592945, 1185890, 2371780, 8419819, 16839638, 33679276, 42099095, 84198190, 168396380]

約数ペア:

[(1, 168396380), (2, 84198190), (4, 42099095), (5, 33679276), (10, 16839638), (20, 8419819), (71, 2371780), (142, 1185890), (284, 592945), (355, 474356), (710, 237178), (1420, 118589)]