211286260

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{53087}}^1$

素因数の和:53295

約数の個数: 24

約数和(自身を含む): 445939200

約数和(自身を除く): 234652940

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 53087, 106174, 212348, 265435, 530870, 1061740, 10564313, 21128626, 42257252, 52821565, 105643130, 211286260]

約数ペア:

[(1, 211286260), (2, 105643130), (4, 52821565), (5, 42257252), (10, 21128626), (20, 10564313), (199, 1061740), (398, 530870), (796, 265435), (995, 212348), (1990, 106174), (3980, 53087)]