2009060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 4717440

約数和(自身を除く): 2708380

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 311, 323, 340, 380, 622, 646, 1244, 1292, 1555, 1615, 3110, 3230, 5287, 5909, 6220, 6460, 10574, 11818, 21148, 23636, 26435, 29545, 52870, 59090, 100453, 105740, 118180, 200906, 401812, 502265, 1004530, 2009060]

約数ペア:

[(1, 2009060), (2, 1004530), (4, 502265), (5, 401812), (10, 200906), (17, 118180), (19, 105740), (20, 100453), (34, 59090), (38, 52870), (68, 29545), (76, 26435), (85, 23636), (95, 21148), (170, 11818), (190, 10574), (311, 6460), (323, 6220), (340, 5909), (380, 5287), (622, 3230), (646, 3110), (1244, 1615), (1292, 1555)]