139262480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{248683}}^1$

素因数の和:248703

約数の個数: 40

約数和(自身を含む): 370041792

約数和(自身を除く): 230779312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 248683, 497366, 994732, 1243415, 1740781, 1989464, 2486830, 3481562, 3978928, 4973660, 6963124, 8703905, 9947320, 13926248, 17407810, 19894640, 27852496, 34815620, 69631240, 139262480]

約数ペア:

[(1, 139262480), (2, 69631240), (4, 34815620), (5, 27852496), (7, 19894640), (8, 17407810), (10, 13926248), (14, 9947320), (16, 8703905), (20, 6963124), (28, 4973660), (35, 3978928), (40, 3481562), (56, 2486830), (70, 1989464), (80, 1740781), (112, 1243415), (140, 994732), (280, 497366), (560, 248683)]