720147025

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{8971}}^1$

素因数の和:9026

約数の個数: 36

約数和(自身を含む): 1017963120

約数和(自身を除く): 297816095

約数列:

[1, 5, 13, 19, 25, 65, 95, 169, 247, 325, 475, 845, 1235, 3211, 4225, 6175, 8971, 16055, 44855, 80275, 116623, 170449, 224275, 583115, 852245, 1516099, 2215837, 2915575, 4261225, 7580495, 11079185, 28805881, 37902475, 55395925, 144029405, 720147025]

約数ペア:

[(1, 720147025), (5, 144029405), (13, 55395925), (19, 37902475), (25, 28805881), (65, 11079185), (95, 7580495), (169, 4261225), (247, 2915575), (325, 2215837), (475, 1516099), (845, 852245), (1235, 583115), (3211, 224275), (4225, 170449), (6175, 116623), (8971, 80275), (16055, 44855)]