206806740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{492397}}^1$

素因数の和:492416

約数の個数: 48

約数和(自身を含む): 661782912

約数和(自身を除く): 454976172

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, 492397, 984794, 1477191, 1969588, 2461985, 2954382, 3446779, 4923970, 5908764, 6893558, 7385955, 9847940, 10340337, 13787116, 14771910, 17233895, 20680674, 29543820, 34467790, 41361348, 51701685, 68935580, 103403370, 206806740]

約数ペア:

[(1, 206806740), (2, 103403370), (3, 68935580), (4, 51701685), (5, 41361348), (6, 34467790), (7, 29543820), (10, 20680674), (12, 17233895), (14, 14771910), (15, 13787116), (20, 10340337), (21, 9847940), (28, 7385955), (30, 6893558), (35, 5908764), (42, 4923970), (60, 3446779), (70, 2954382), (84, 2461985), (105, 1969588), (140, 1477191), (210, 984794), (420, 492397)]