245710465

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{4463}}^1$

素因数の和:4510

約数の個数: 48

約数和(自身を含む): 398974464

約数和(自身を除く): 153263999

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 121, 143, 385, 455, 605, 715, 847, 1001, 1573, 4235, 4463, 5005, 7865, 11011, 22315, 31241, 49093, 55055, 58019, 156205, 245465, 290095, 343651, 406133, 540023, 638209, 1718255, 2030665, 2700115, 3191045, 3780161, 4467463, 7020299, 18900805, 22337315, 35101495, 49142093, 245710465]

約数ペア:

[(1, 245710465), (5, 49142093), (7, 35101495), (11, 22337315), (13, 18900805), (35, 7020299), (55, 4467463), (65, 3780161), (77, 3191045), (91, 2700115), (121, 2030665), (143, 1718255), (385, 638209), (455, 540023), (605, 406133), (715, 343651), (847, 290095), (1001, 245465), (1573, 156205), (4235, 58019), (4463, 55055), (5005, 49093), (7865, 31241), (11011, 22315)]