389620475

素因数分解:

$5^2\times {\mathrm{139}}^1\times {\mathrm{112121}}^1$

素因数の和:112270

約数の個数: 12

約数和(自身を含む): 486609480

約数和(自身を除く): 96989005

約数列:

[1, 5, 25, 139, 695, 3475, 112121, 560605, 2803025, 15584819, 77924095, 389620475]

約数ペア:

[(1, 389620475), (5, 77924095), (25, 15584819), (139, 2803025), (695, 560605), (3475, 112121)]