2872940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20521}}^1$

素因数の和:20537

約数の個数: 24

約数和(自身を含む): 6895392

約数和(自身を除く): 4022452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20521, 41042, 82084, 102605, 143647, 205210, 287294, 410420, 574588, 718235, 1436470, 2872940]

約数ペア:

[(1, 2872940), (2, 1436470), (4, 718235), (5, 574588), (7, 410420), (10, 287294), (14, 205210), (20, 143647), (28, 102605), (35, 82084), (70, 41042), (140, 20521)]