30471980420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{217657003}}^1$

素因数の和:217657019

約数の個数: 24

約数和(自身を含む): 73132753344

約数和(自身を除く): 42660772924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 217657003, 435314006, 870628012, 1088285015, 1523599021, 2176570030, 3047198042, 4353140060, 6094396084, 7617995105, 15235990210, 30471980420]

約数ペア:

[(1, 30471980420), (2, 15235990210), (4, 7617995105), (5, 6094396084), (7, 4353140060), (10, 3047198042), (14, 2176570030), (20, 1523599021), (28, 1088285015), (35, 870628012), (70, 435314006), (140, 217657003)]