140868455

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3919}}^1$

素因数の和:4023

約数の個数: 32

約数和(自身を含む): 210739200

約数和(自身を除く): 69870745

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 395, 455, 553, 1027, 2765, 3919, 5135, 7189, 19595, 27433, 35945, 50947, 137165, 254735, 309601, 356629, 1548005, 1783145, 2167207, 4024813, 10836035, 20124065, 28173691, 140868455]

約数ペア:

[(1, 140868455), (5, 28173691), (7, 20124065), (13, 10836035), (35, 4024813), (65, 2167207), (79, 1783145), (91, 1548005), (395, 356629), (455, 309601), (553, 254735), (1027, 137165), (2765, 50947), (3919, 35945), (5135, 27433), (7189, 19595)]