520059155

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 830269440

約数和(自身を除く): 310210285

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 181, 187, 385, 439, 595, 905, 935, 1267, 1309, 1991, 2195, 3073, 3077, 4829, 6335, 6545, 7463, 9955, 13937, 15365, 15385, 21539, 24145, 33803, 33847, 37315, 52241, 69685, 79459, 82093, 107695, 169015, 169235, 236929, 261205, 397295, 410465, 556213, 574651, 874049, 1184645, 1350803, 2781065, 2873255, 4370245, 6118343, 6754015, 9455621, 14858833, 30591715, 47278105, 74294165, 104011831, 520059155]

約数ペア:

[(1, 520059155), (5, 104011831), (7, 74294165), (11, 47278105), (17, 30591715), (35, 14858833), (55, 9455621), (77, 6754015), (85, 6118343), (119, 4370245), (181, 2873255), (187, 2781065), (385, 1350803), (439, 1184645), (595, 874049), (905, 574651), (935, 556213), (1267, 410465), (1309, 397295), (1991, 261205), (2195, 236929), (3073, 169235), (3077, 169015), (4829, 107695), (6335, 82093), (6545, 79459), (7463, 69685), (9955, 52241), (13937, 37315), (15365, 33847), (15385, 33803), (21539, 24145)]