199143550

素因数分解:

$2^1\times 5^2\times {\mathrm{431}}^1\times {\mathrm{9241}}^1$

素因数の和:9684

約数の個数: 24

約数和(自身を含む): 371306592

約数和(自身を除く): 172163042

約数列:

[1, 2, 5, 10, 25, 50, 431, 862, 2155, 4310, 9241, 10775, 18482, 21550, 46205, 92410, 231025, 462050, 3982871, 7965742, 19914355, 39828710, 99571775, 199143550]

約数ペア:

[(1, 199143550), (2, 99571775), (5, 39828710), (10, 19914355), (25, 7965742), (50, 3982871), (431, 462050), (862, 231025), (2155, 92410), (4310, 46205), (9241, 21550), (10775, 18482)]