207905320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{742519}}^1$

素因数の和:742537

約数の個数: 32

約数和(自身を含む): 534614400

約数和(自身を除く): 326709080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 742519, 1485038, 2970076, 3712595, 5197633, 5940152, 7425190, 10395266, 14850380, 20790532, 25988165, 29700760, 41581064, 51976330, 103952660, 207905320]

約数ペア:

[(1, 207905320), (2, 103952660), (4, 51976330), (5, 41581064), (7, 29700760), (8, 25988165), (10, 20790532), (14, 14850380), (20, 10395266), (28, 7425190), (35, 5940152), (40, 5197633), (56, 3712595), (70, 2970076), (140, 1485038), (280, 742519)]