1991140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3433}}^1$

素因数の和:3471

約数の個数: 24

約数和(自身を含む): 4326840

約数和(自身を除く): 2335700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 3433, 6866, 13732, 17165, 34330, 68660, 99557, 199114, 398228, 497785, 995570, 1991140]

約数ペア:

[(1, 1991140), (2, 995570), (4, 497785), (5, 398228), (10, 199114), (20, 99557), (29, 68660), (58, 34330), (116, 17165), (145, 13732), (290, 6866), (580, 3433)]