31276420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223403}}^1$

素因数の和:223419

約数の個数: 24

約数和(自身を含む): 75063744

約数和(自身を除く): 43787324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223403, 446806, 893612, 1117015, 1563821, 2234030, 3127642, 4468060, 6255284, 7819105, 15638210, 31276420]

約数ペア:

[(1, 31276420), (2, 15638210), (4, 7819105), (5, 6255284), (7, 4468060), (10, 3127642), (14, 2234030), (20, 1563821), (28, 1117015), (35, 893612), (70, 446806), (140, 223403)]