201181820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1437013}}^1$

素因数の和:1437029

約数の個数: 24

約数和(自身を含む): 482836704

約数和(自身を除く): 281654884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1437013, 2874026, 5748052, 7185065, 10059091, 14370130, 20118182, 28740260, 40236364, 50295455, 100590910, 201181820]

約数ペア:

[(1, 201181820), (2, 100590910), (4, 50295455), (5, 40236364), (7, 28740260), (10, 20118182), (14, 14370130), (20, 10059091), (28, 7185065), (35, 5748052), (70, 2874026), (140, 1437013)]