4209940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{30071}}^1$

素因数の和:30087

約数の個数: 24

約数和(自身を含む): 10104192

約数和(自身を除く): 5894252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 30071, 60142, 120284, 150355, 210497, 300710, 420994, 601420, 841988, 1052485, 2104970, 4209940]

約数ペア:

[(1, 4209940), (2, 2104970), (4, 1052485), (5, 841988), (7, 601420), (10, 420994), (14, 300710), (20, 210497), (28, 150355), (35, 120284), (70, 60142), (140, 30071)]