838859540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1\times {\mathrm{1579}}^1$

素因数の和:1952

約数の個数: 48

約数和(自身を含む): 1786942080

約数和(自身を除く): 948082540

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 263, 404, 505, 526, 1010, 1052, 1315, 1579, 2020, 2630, 3158, 5260, 6316, 7895, 15790, 26563, 31580, 53126, 106252, 132815, 159479, 265630, 318958, 415277, 531260, 637916, 797395, 830554, 1594790, 1661108, 2076385, 3189580, 4152770, 8305540, 41942977, 83885954, 167771908, 209714885, 419429770, 838859540]

約数ペア:

[(1, 838859540), (2, 419429770), (4, 209714885), (5, 167771908), (10, 83885954), (20, 41942977), (101, 8305540), (202, 4152770), (263, 3189580), (404, 2076385), (505, 1661108), (526, 1594790), (1010, 830554), (1052, 797395), (1315, 637916), (1579, 531260), (2020, 415277), (2630, 318958), (3158, 265630), (5260, 159479), (6316, 132815), (7895, 106252), (15790, 53126), (26563, 31580)]