42012355

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 68428800

約数和(自身を除く): 26416445

約数列:

[1, 5, 7, 11, 17, 35, 49, 55, 77, 85, 119, 131, 187, 245, 343, 385, 539, 595, 655, 833, 917, 935, 1309, 1441, 1715, 2227, 2695, 3773, 4165, 4585, 5831, 6419, 6545, 7205, 9163, 10087, 11135, 15589, 18865, 24497, 29155, 32095, 44933, 45815, 50435, 64141, 70609, 77945, 109123, 122485, 171479, 224665, 320705, 353045, 494263, 545615, 763861, 857395, 1200353, 2471315, 3819305, 6001765, 8402471, 42012355]

約数ペア:

[(1, 42012355), (5, 8402471), (7, 6001765), (11, 3819305), (17, 2471315), (35, 1200353), (49, 857395), (55, 763861), (77, 545615), (85, 494263), (119, 353045), (131, 320705), (187, 224665), (245, 171479), (343, 122485), (385, 109123), (539, 77945), (595, 70609), (655, 64141), (833, 50435), (917, 45815), (935, 44933), (1309, 32095), (1441, 29155), (1715, 24497), (2227, 18865), (2695, 15589), (3773, 11135), (4165, 10087), (4585, 9163), (5831, 7205), (6419, 6545)]