31271380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223367}}^1$

素因数の和:223383

約数の個数: 24

約数和(自身を含む): 75051648

約数和(自身を除く): 43780268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223367, 446734, 893468, 1116835, 1563569, 2233670, 3127138, 4467340, 6254276, 7817845, 15635690, 31271380]

約数ペア:

[(1, 31271380), (2, 15635690), (4, 7817845), (5, 6254276), (7, 4467340), (10, 3127138), (14, 2233670), (20, 1563569), (28, 1116835), (35, 893468), (70, 446734), (140, 223367)]