28097860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{200699}}^1$

素因数の和:200715

約数の個数: 24

約数和(自身を含む): 67435200

約数和(自身を除く): 39337340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 200699, 401398, 802796, 1003495, 1404893, 2006990, 2809786, 4013980, 5619572, 7024465, 14048930, 28097860]

約数ペア:

[(1, 28097860), (2, 14048930), (4, 7024465), (5, 5619572), (7, 4013980), (10, 2809786), (14, 2006990), (20, 1404893), (28, 1003495), (35, 802796), (70, 401398), (140, 200699)]