28140420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6091}}^1$

素因数の和:6121

約数の個数: 96

約数和(自身を含む): 98251776

約数和(自身を除く): 70111356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 6091, 12182, 18273, 24364, 30455, 36546, 42637, 60910, 67001, 73092, 85274, 91365, 121820, 127911, 134002, 170548, 182730, 201003, 213185, 255822, 268004, 335005, 365460, 402006, 426370, 469007, 511644, 639555, 670010, 804012, 852740, 938014, 1005015, 1279110, 1340020, 1407021, 1876028, 2010030, 2345035, 2558220, 2814042, 4020060, 4690070, 5628084, 7035105, 9380140, 14070210, 28140420]

約数ペア:

[(1, 28140420), (2, 14070210), (3, 9380140), (4, 7035105), (5, 5628084), (6, 4690070), (7, 4020060), (10, 2814042), (11, 2558220), (12, 2345035), (14, 2010030), (15, 1876028), (20, 1407021), (21, 1340020), (22, 1279110), (28, 1005015), (30, 938014), (33, 852740), (35, 804012), (42, 670010), (44, 639555), (55, 511644), (60, 469007), (66, 426370), (70, 402006), (77, 365460), (84, 335005), (105, 268004), (110, 255822), (132, 213185), (140, 201003), (154, 182730), (165, 170548), (210, 134002), (220, 127911), (231, 121820), (308, 91365), (330, 85274), (385, 73092), (420, 67001), (462, 60910), (660, 42637), (770, 36546), (924, 30455), (1155, 24364), (1540, 18273), (2310, 12182), (4620, 6091)]