245896190

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{2089}}^1$

素因数の和:2324

約数の個数: 32

約数和(自身を含む): 451440000

約数和(自身を除く): 205543810

約数列:

[1, 2, 5, 10, 79, 149, 158, 298, 395, 745, 790, 1490, 2089, 4178, 10445, 11771, 20890, 23542, 58855, 117710, 165031, 311261, 330062, 622522, 825155, 1556305, 1650310, 3112610, 24589619, 49179238, 122948095, 245896190]

約数ペア:

[(1, 245896190), (2, 122948095), (5, 49179238), (10, 24589619), (79, 3112610), (149, 1650310), (158, 1556305), (298, 825155), (395, 622522), (745, 330062), (790, 311261), (1490, 165031), (2089, 117710), (4178, 58855), (10445, 23542), (11771, 20890)]