200790005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 281635200

約数和(自身を除く): 80845195

約数列:

[1, 5, 13, 19, 43, 65, 95, 199, 215, 247, 361, 559, 817, 995, 1235, 1805, 2587, 2795, 3781, 4085, 4693, 8557, 10621, 12935, 15523, 18905, 23465, 42785, 49153, 53105, 71839, 77615, 111241, 162583, 201799, 245765, 359195, 556205, 812915, 933907, 1008995, 2113579, 3089077, 4669535, 10567895, 15445385, 40158001, 200790005]

約数ペア:

[(1, 200790005), (5, 40158001), (13, 15445385), (19, 10567895), (43, 4669535), (65, 3089077), (95, 2113579), (199, 1008995), (215, 933907), (247, 812915), (361, 556205), (559, 359195), (817, 245765), (995, 201799), (1235, 162583), (1805, 111241), (2587, 77615), (2795, 71839), (3781, 53105), (4085, 49153), (4693, 42785), (8557, 23465), (10621, 18905), (12935, 15523)]