207858140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1484701}}^1$

素因数の和:1484717

約数の個数: 24

約数和(自身を含む): 498859872

約数和(自身を除く): 291001732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1484701, 2969402, 5938804, 7423505, 10392907, 14847010, 20785814, 29694020, 41571628, 51964535, 103929070, 207858140]

約数ペア:

[(1, 207858140), (2, 103929070), (4, 51964535), (5, 41571628), (7, 29694020), (10, 20785814), (14, 14847010), (20, 10392907), (28, 7423505), (35, 5938804), (70, 2969402), (140, 1484701)]