278300890580

素因数分解:

$2^2\times 5^1\times {\mathrm{2549}}^1\times {\mathrm{5459021}}^1$

素因数の和:5461579

約数の個数: 24

約数和(自身を含む): 584661256200

約数和(自身を除く): 306360365620

約数列:

[1, 2, 4, 5, 10, 20, 2549, 5098, 10196, 12745, 25490, 50980, 5459021, 10918042, 21836084, 27295105, 54590210, 109180420, 13915044529, 27830089058, 55660178116, 69575222645, 139150445290, 278300890580]

約数ペア:

[(1, 278300890580), (2, 139150445290), (4, 69575222645), (5, 55660178116), (10, 27830089058), (20, 13915044529), (2549, 109180420), (5098, 54590210), (10196, 27295105), (12745, 21836084), (25490, 10918042), (50980, 5459021)]