7201285

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:75

約数の個数: 64

約数和(自身を含む): 12096000

約数和(自身を除く): 4894715

約数列:

[1, 5, 7, 13, 17, 19, 35, 49, 65, 85, 91, 95, 119, 133, 221, 245, 247, 323, 343, 455, 595, 637, 665, 833, 931, 1105, 1235, 1547, 1615, 1715, 1729, 2261, 3185, 4165, 4199, 4459, 4655, 5831, 6517, 7735, 8645, 10829, 11305, 12103, 15827, 20995, 22295, 29155, 29393, 32585, 54145, 60515, 75803, 79135, 84721, 110789, 146965, 205751, 379015, 423605, 553945, 1028755, 1440257, 7201285]

約数ペア:

[(1, 7201285), (5, 1440257), (7, 1028755), (13, 553945), (17, 423605), (19, 379015), (35, 205751), (49, 146965), (65, 110789), (85, 84721), (91, 79135), (95, 75803), (119, 60515), (133, 54145), (221, 32585), (245, 29393), (247, 29155), (323, 22295), (343, 20995), (455, 15827), (595, 12103), (637, 11305), (665, 10829), (833, 8645), (931, 7735), (1105, 6517), (1235, 5831), (1547, 4655), (1615, 4459), (1715, 4199), (1729, 4165), (2261, 3185)]