1899740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2$

素因数の和:146

約数の個数: 36

約数和(自身を含む): 4170936

約数和(自身を除く): 2271196

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 860, 940, 2021, 2209, 4042, 4418, 8084, 8836, 10105, 11045, 20210, 22090, 40420, 44180, 94987, 189974, 379948, 474935, 949870, 1899740]

約数ペア:

[(1, 1899740), (2, 949870), (4, 474935), (5, 379948), (10, 189974), (20, 94987), (43, 44180), (47, 40420), (86, 22090), (94, 20210), (172, 11045), (188, 10105), (215, 8836), (235, 8084), (430, 4418), (470, 4042), (860, 2209), (940, 2021)]