138707975

素因数分解:

$5^2\times 7^2\times {\mathrm{199}}^1\times {\mathrm{569}}^1$

素因数の和:792

約数の個数: 36

約数和(自身を含む): 201438000

約数和(自身を除く): 62730025

約数列:

[1, 5, 7, 25, 35, 49, 175, 199, 245, 569, 995, 1225, 1393, 2845, 3983, 4975, 6965, 9751, 14225, 19915, 27881, 34825, 48755, 99575, 113231, 139405, 243775, 566155, 697025, 792617, 2830775, 3963085, 5548319, 19815425, 27741595, 138707975]

約数ペア:

[(1, 138707975), (5, 27741595), (7, 19815425), (25, 5548319), (35, 3963085), (49, 2830775), (175, 792617), (199, 697025), (245, 566155), (569, 243775), (995, 139405), (1225, 113231), (1393, 99575), (2845, 48755), (3983, 34825), (4975, 27881), (6965, 19915), (9751, 14225)]