207901820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1485013}}^1$

素因数の和:1485029

約数の個数: 24

約数和(自身を含む): 498964704

約数和(自身を除く): 291062884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1485013, 2970026, 5940052, 7425065, 10395091, 14850130, 20790182, 29700260, 41580364, 51975455, 103950910, 207901820]

約数ペア:

[(1, 207901820), (2, 103950910), (4, 51975455), (5, 41580364), (7, 29700260), (10, 20790182), (14, 14850130), (20, 10395091), (28, 7425065), (35, 5940052), (70, 2970026), (140, 1485013)]