2005109180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{117809}}^1$

素因数の和:117878

約数の個数: 48

約数和(自身を含む): 4512594240

約数和(自身を除く): 2507485060

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1702, 3404, 4255, 8510, 17020, 117809, 235618, 471236, 589045, 1178090, 2356180, 2709607, 4358933, 5419214, 8717866, 10838428, 13548035, 17435732, 21794665, 27096070, 43589330, 54192140, 87178660, 100255459, 200510918, 401021836, 501277295, 1002554590, 2005109180]

約数ペア:

[(1, 2005109180), (2, 1002554590), (4, 501277295), (5, 401021836), (10, 200510918), (20, 100255459), (23, 87178660), (37, 54192140), (46, 43589330), (74, 27096070), (92, 21794665), (115, 17435732), (148, 13548035), (185, 10838428), (230, 8717866), (370, 5419214), (460, 4358933), (740, 2709607), (851, 2356180), (1702, 1178090), (3404, 589045), (4255, 471236), (8510, 235618), (17020, 117809)]