2189810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 4740120

約数和(自身を除く): 2550310

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 109, 205, 218, 245, 287, 410, 490, 545, 574, 763, 1090, 1435, 1526, 2009, 2870, 3815, 4018, 4469, 5341, 7630, 8938, 10045, 10682, 20090, 22345, 26705, 31283, 44690, 53410, 62566, 156415, 218981, 312830, 437962, 1094905, 2189810]

約数ペア:

[(1, 2189810), (2, 1094905), (5, 437962), (7, 312830), (10, 218981), (14, 156415), (35, 62566), (41, 53410), (49, 44690), (70, 31283), (82, 26705), (98, 22345), (109, 20090), (205, 10682), (218, 10045), (245, 8938), (287, 7630), (410, 5341), (490, 4469), (545, 4018), (574, 3815), (763, 2870), (1090, 2009), (1435, 1526)]