31520860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{225149}}^1$

素因数の和:225165

約数の個数: 24

約数和(自身を含む): 75650400

約数和(自身を除く): 44129540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 225149, 450298, 900596, 1125745, 1576043, 2251490, 3152086, 4502980, 6304172, 7880215, 15760430, 31520860]

約数ペア:

[(1, 31520860), (2, 15760430), (4, 7880215), (5, 6304172), (7, 4502980), (10, 3152086), (14, 2251490), (20, 1576043), (28, 1125745), (35, 900596), (70, 450298), (140, 225149)]