205740155

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1\times {\mathrm{761}}^1$

素因数の和:1294

約数の個数: 16

約数和(自身を含む): 249631200

約数和(自身を除く): 43891045

約数列:

[1, 5, 139, 389, 695, 761, 1945, 3805, 54071, 105779, 270355, 296029, 528895, 1480145, 41148031, 205740155]

約数ペア:

[(1, 205740155), (5, 41148031), (139, 1480145), (389, 528895), (695, 296029), (761, 270355), (1945, 105779), (3805, 54071)]