30249940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{216071}}^1$

素因数の和:216087

約数の個数: 24

約数和(自身を含む): 72600192

約数和(自身を除く): 42350252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 216071, 432142, 864284, 1080355, 1512497, 2160710, 3024994, 4321420, 6049988, 7562485, 15124970, 30249940]

約数ペア:

[(1, 30249940), (2, 15124970), (4, 7562485), (5, 6049988), (7, 4321420), (10, 3024994), (14, 2160710), (20, 1512497), (28, 1080355), (35, 864284), (70, 432142), (140, 216071)]