249789020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{20441}}^1$

素因数の和:20510

約数の個数: 48

約数和(自身を含む): 576955008

約数和(自身を除く): 327165988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 20441, 40882, 81764, 102205, 204410, 265733, 408820, 531466, 960727, 1062932, 1328665, 1921454, 2657330, 3842908, 4803635, 5314660, 9607270, 12489451, 19214540, 24978902, 49957804, 62447255, 124894510, 249789020]

約数ペア:

[(1, 249789020), (2, 124894510), (4, 62447255), (5, 49957804), (10, 24978902), (13, 19214540), (20, 12489451), (26, 9607270), (47, 5314660), (52, 4803635), (65, 3842908), (94, 2657330), (130, 1921454), (188, 1328665), (235, 1062932), (260, 960727), (470, 531466), (611, 408820), (940, 265733), (1222, 204410), (2444, 102205), (3055, 81764), (6110, 40882), (12220, 20441)]