268521540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{639337}}^1$

素因数の和:639356

約数の個数: 48

約数和(自身を含む): 859270272

約数和(自身を除く): 590748732

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 639337, 1278674, 1918011, 2557348, 3196685, 3836022, 4475359, 6393370, 7672044, 8950718, 9590055, 12786740, 13426077, 17901436, 19180110, 22376795, 26852154, 38360220, 44753590, 53704308, 67130385, 89507180, 134260770, 268521540]

約数ペア:

[(1, 268521540), (2, 134260770), (3, 89507180), (4, 67130385), (5, 53704308), (6, 44753590), (7, 38360220), (10, 26852154), (12, 22376795), (14, 19180110), (15, 17901436), (20, 13426077), (21, 12786740), (28, 9590055), (30, 8950718), (35, 7672044), (42, 6393370), (60, 4475359), (70, 3836022), (84, 3196685), (105, 2557348), (140, 1918011), (210, 1278674), (420, 639337)]