200664980

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{23279}}^1$

素因数の和:23719

約数の個数: 24

約数和(自身を含む): 422392320

約数和(自身を除く): 221727340

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 23279, 46558, 93116, 116395, 232790, 465580, 10033249, 20066498, 40132996, 50166245, 100332490, 200664980]

約数ペア:

[(1, 200664980), (2, 100332490), (4, 50166245), (5, 40132996), (10, 20066498), (20, 10033249), (431, 465580), (862, 232790), (1724, 116395), (2155, 93116), (4310, 46558), (8620, 23279)]