170766020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{1193}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 380924208

約数和(自身を除く): 210158188

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 421, 842, 1193, 1684, 2105, 2386, 4210, 4772, 5965, 7157, 8420, 11930, 14314, 20281, 23860, 28628, 35785, 40562, 71570, 81124, 101405, 143140, 202810, 405620, 502253, 1004506, 2009012, 2511265, 5022530, 8538301, 10045060, 17076602, 34153204, 42691505, 85383010, 170766020]

約数ペア:

[(1, 170766020), (2, 85383010), (4, 42691505), (5, 34153204), (10, 17076602), (17, 10045060), (20, 8538301), (34, 5022530), (68, 2511265), (85, 2009012), (170, 1004506), (340, 502253), (421, 405620), (842, 202810), (1193, 143140), (1684, 101405), (2105, 81124), (2386, 71570), (4210, 40562), (4772, 35785), (5965, 28628), (7157, 23860), (8420, 20281), (11930, 14314)]