13930420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5237}}^1$

素因数の和:5272

約数の個数: 48

約数和(自身を含む): 35199360

約数和(自身を除く): 21268940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 5237, 10474, 20948, 26185, 36659, 52370, 73318, 99503, 104740, 146636, 183295, 199006, 366590, 398012, 497515, 696521, 733180, 995030, 1393042, 1990060, 2786084, 3482605, 6965210, 13930420]

約数ペア:

[(1, 13930420), (2, 6965210), (4, 3482605), (5, 2786084), (7, 1990060), (10, 1393042), (14, 995030), (19, 733180), (20, 696521), (28, 497515), (35, 398012), (38, 366590), (70, 199006), (76, 183295), (95, 146636), (133, 104740), (140, 99503), (190, 73318), (266, 52370), (380, 36659), (532, 26185), (665, 20948), (1330, 10474), (2660, 5237)]