266918260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1906559}}^1$

素因数の和:1906575

約数の個数: 24

約数和(自身を含む): 640604160

約数和(自身を除く): 373685900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1906559, 3813118, 7626236, 9532795, 13345913, 19065590, 26691826, 38131180, 53383652, 66729565, 133459130, 266918260]

約数ペア:

[(1, 266918260), (2, 133459130), (4, 66729565), (5, 53383652), (7, 38131180), (10, 26691826), (14, 19065590), (20, 13345913), (28, 9532795), (35, 7626236), (70, 3813118), (140, 1906559)]