17320520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8837}}^1$

素因数の和:8862

約数の個数: 48

約数和(自身を含む): 45338940

約数和(自身を除く): 28018420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8837, 17674, 35348, 44185, 61859, 70696, 88370, 123718, 176740, 247436, 309295, 353480, 433013, 494872, 618590, 866026, 1237180, 1732052, 2165065, 2474360, 3464104, 4330130, 8660260, 17320520]

約数ペア:

[(1, 17320520), (2, 8660260), (4, 4330130), (5, 3464104), (7, 2474360), (8, 2165065), (10, 1732052), (14, 1237180), (20, 866026), (28, 618590), (35, 494872), (40, 433013), (49, 353480), (56, 309295), (70, 247436), (98, 176740), (140, 123718), (196, 88370), (245, 70696), (280, 61859), (392, 44185), (490, 35348), (980, 17674), (1960, 8837)]