131477360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{234781}}^1$

素因数の和:234801

約数の個数: 40

約数和(自身を含む): 349355616

約数和(自身を除く): 217878256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 234781, 469562, 939124, 1173905, 1643467, 1878248, 2347810, 3286934, 3756496, 4695620, 6573868, 8217335, 9391240, 13147736, 16434670, 18782480, 26295472, 32869340, 65738680, 131477360]

約数ペア:

[(1, 131477360), (2, 65738680), (4, 32869340), (5, 26295472), (7, 18782480), (8, 16434670), (10, 13147736), (14, 9391240), (16, 8217335), (20, 6573868), (28, 4695620), (35, 3756496), (40, 3286934), (56, 2347810), (70, 1878248), (80, 1643467), (112, 1173905), (140, 939124), (280, 469562), (560, 234781)]