270398420

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{19069}}^1$

素因数の和:19787

約数の個数: 24

約数和(自身を含む): 568667400

約数和(自身を除く): 298268980

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2836, 3545, 7090, 14180, 19069, 38138, 76276, 95345, 190690, 381380, 13519921, 27039842, 54079684, 67599605, 135199210, 270398420]

約数ペア:

[(1, 270398420), (2, 135199210), (4, 67599605), (5, 54079684), (10, 27039842), (20, 13519921), (709, 381380), (1418, 190690), (2836, 95345), (3545, 76276), (7090, 38138), (14180, 19069)]