9999850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{28571}}^1$

素因数の和:28590

約数の個数: 24

約数和(自身を含む): 21257568

約数和(自身を除く): 11257718

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 28571, 57142, 142855, 199997, 285710, 399994, 714275, 999985, 1428550, 1999970, 4999925, 9999850]

約数ペア:

[(1, 9999850), (2, 4999925), (5, 1999970), (7, 1428550), (10, 999985), (14, 714275), (25, 399994), (35, 285710), (50, 199997), (70, 142855), (175, 57142), (350, 28571)]