868280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{443}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 2277720

約数和(自身を除く): 1409440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 443, 490, 886, 980, 1772, 1960, 2215, 3101, 3544, 4430, 6202, 8860, 12404, 15505, 17720, 21707, 24808, 31010, 43414, 62020, 86828, 108535, 124040, 173656, 217070, 434140, 868280]

約数ペア:

[(1, 868280), (2, 434140), (4, 217070), (5, 173656), (7, 124040), (8, 108535), (10, 86828), (14, 62020), (20, 43414), (28, 31010), (35, 24808), (40, 21707), (49, 17720), (56, 15505), (70, 12404), (98, 8860), (140, 6202), (196, 4430), (245, 3544), (280, 3101), (392, 2215), (443, 1960), (490, 1772), (886, 980)]