8899870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 19132848

約数和(自身を除く): 10232978

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 443, 490, 574, 886, 1435, 2009, 2215, 2870, 3101, 4018, 4430, 6202, 10045, 15505, 18163, 20090, 21707, 31010, 36326, 43414, 90815, 108535, 127141, 181630, 217070, 254282, 635705, 889987, 1271410, 1779974, 4449935, 8899870]

約数ペア:

[(1, 8899870), (2, 4449935), (5, 1779974), (7, 1271410), (10, 889987), (14, 635705), (35, 254282), (41, 217070), (49, 181630), (70, 127141), (82, 108535), (98, 90815), (205, 43414), (245, 36326), (287, 31010), (410, 21707), (443, 20090), (490, 18163), (574, 15505), (886, 10045), (1435, 6202), (2009, 4430), (2215, 4018), (2870, 3101)]