204557390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{288109}}^1$

素因数の和:288187

約数の個数: 16

約数和(自身を含む): 373390560

約数和(自身を除く): 168833170

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 288109, 576218, 1440545, 2881090, 20455739, 40911478, 102278695, 204557390]

約数ペア:

[(1, 204557390), (2, 102278695), (5, 40911478), (10, 20455739), (71, 2881090), (142, 1440545), (355, 576218), (710, 288109)]