1318940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9421}}^1$

素因数の和:9437

約数の個数: 24

約数和(自身を含む): 3165792

約数和(自身を除く): 1846852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9421, 18842, 37684, 47105, 65947, 94210, 131894, 188420, 263788, 329735, 659470, 1318940]

約数ペア:

[(1, 1318940), (2, 659470), (4, 329735), (5, 263788), (7, 188420), (10, 131894), (14, 94210), (20, 65947), (28, 47105), (35, 37684), (70, 18842), (140, 9421)]