38813180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2591}}^1$

素因数の和:2714

約数の個数: 48

約数和(自身を含む): 94058496

約数和(自身を除く): 55245316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2591, 2996, 3745, 5182, 7490, 10364, 12955, 14980, 18137, 25910, 36274, 51820, 72548, 90685, 181370, 277237, 362740, 554474, 1108948, 1386185, 1940659, 2772370, 3881318, 5544740, 7762636, 9703295, 19406590, 38813180]

約数ペア:

[(1, 38813180), (2, 19406590), (4, 9703295), (5, 7762636), (7, 5544740), (10, 3881318), (14, 2772370), (20, 1940659), (28, 1386185), (35, 1108948), (70, 554474), (107, 362740), (140, 277237), (214, 181370), (428, 90685), (535, 72548), (749, 51820), (1070, 36274), (1498, 25910), (2140, 18137), (2591, 14980), (2996, 12955), (3745, 10364), (5182, 7490)]