27231820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17683}}^1$

素因数の和:17710

約数の個数: 48

約数和(自身を含む): 71301888

約数和(自身を除く): 44070068

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 17683, 35366, 70732, 88415, 123781, 176830, 194513, 247562, 353660, 389026, 495124, 618905, 778052, 972565, 1237810, 1361591, 1945130, 2475620, 2723182, 3890260, 5446364, 6807955, 13615910, 27231820]

約数ペア:

[(1, 27231820), (2, 13615910), (4, 6807955), (5, 5446364), (7, 3890260), (10, 2723182), (11, 2475620), (14, 1945130), (20, 1361591), (22, 1237810), (28, 972565), (35, 778052), (44, 618905), (55, 495124), (70, 389026), (77, 353660), (110, 247562), (140, 194513), (154, 176830), (220, 123781), (308, 88415), (385, 70732), (770, 35366), (1540, 17683)]