1900448980

素因数分解:

$2^2\times 5^1\times {\mathrm{5437}}^1\times {\mathrm{17477}}^1$

素因数の和:22923

約数の個数: 24

約数和(自身を含む): 3991905288

約数和(自身を除く): 2091456308

約数列:

[1, 2, 4, 5, 10, 20, 5437, 10874, 17477, 21748, 27185, 34954, 54370, 69908, 87385, 108740, 174770, 349540, 95022449, 190044898, 380089796, 475112245, 950224490, 1900448980]

約数ペア:

[(1, 1900448980), (2, 950224490), (4, 475112245), (5, 380089796), (10, 190044898), (20, 95022449), (5437, 349540), (10874, 174770), (17477, 108740), (21748, 87385), (27185, 69908), (34954, 54370)]