5143775

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:73

約数の個数: 72

約数和(自身を含む): 8905680

約数和(自身を除く): 3761905

約数列:

[1, 5, 7, 13, 17, 19, 25, 35, 49, 65, 85, 91, 95, 119, 133, 175, 221, 245, 247, 323, 325, 425, 455, 475, 595, 637, 665, 833, 931, 1105, 1225, 1235, 1547, 1615, 1729, 2261, 2275, 2975, 3185, 3325, 4165, 4199, 4655, 5525, 6175, 7735, 8075, 8645, 10829, 11305, 12103, 15827, 15925, 20825, 20995, 23275, 29393, 38675, 43225, 54145, 56525, 60515, 79135, 104975, 146965, 205751, 270725, 302575, 395675, 734825, 1028755, 5143775]

約数ペア:

[(1, 5143775), (5, 1028755), (7, 734825), (13, 395675), (17, 302575), (19, 270725), (25, 205751), (35, 146965), (49, 104975), (65, 79135), (85, 60515), (91, 56525), (95, 54145), (119, 43225), (133, 38675), (175, 29393), (221, 23275), (245, 20995), (247, 20825), (323, 15925), (325, 15827), (425, 12103), (455, 11305), (475, 10829), (595, 8645), (637, 8075), (665, 7735), (833, 6175), (931, 5525), (1105, 4655), (1225, 4199), (1235, 4165), (1547, 3325), (1615, 3185), (1729, 2975), (2261, 2275)]