86458820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1129}}^1$

素因数の和:1692

約数の個数: 48

約数和(自身を含む): 208064640

約数和(自身を除く): 121605820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 547, 1094, 1129, 2188, 2258, 2735, 3829, 4516, 5470, 5645, 7658, 7903, 10940, 11290, 15316, 15806, 19145, 22580, 31612, 38290, 39515, 76580, 79030, 158060, 617563, 1235126, 2470252, 3087815, 4322941, 6175630, 8645882, 12351260, 17291764, 21614705, 43229410, 86458820]

約数ペア:

[(1, 86458820), (2, 43229410), (4, 21614705), (5, 17291764), (7, 12351260), (10, 8645882), (14, 6175630), (20, 4322941), (28, 3087815), (35, 2470252), (70, 1235126), (140, 617563), (547, 158060), (1094, 79030), (1129, 76580), (2188, 39515), (2258, 38290), (2735, 31612), (3829, 22580), (4516, 19145), (5470, 15806), (5645, 15316), (7658, 11290), (7903, 10940)]