338676950

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{479}}^1$

素因数の和:749

約数の個数: 48

約数和(自身を含む): 642816000

約数和(自身を除く): 304139050

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 179, 358, 395, 479, 790, 895, 958, 1790, 1975, 2395, 3950, 4475, 4790, 8950, 11975, 14141, 23950, 28282, 37841, 70705, 75682, 85741, 141410, 171482, 189205, 353525, 378410, 428705, 707050, 857410, 946025, 1892050, 2143525, 4287050, 6773539, 13547078, 33867695, 67735390, 169338475, 338676950]

約数ペア:

[(1, 338676950), (2, 169338475), (5, 67735390), (10, 33867695), (25, 13547078), (50, 6773539), (79, 4287050), (158, 2143525), (179, 1892050), (358, 946025), (395, 857410), (479, 707050), (790, 428705), (895, 378410), (958, 353525), (1790, 189205), (1975, 171482), (2395, 141410), (3950, 85741), (4475, 75682), (4790, 70705), (8950, 37841), (11975, 28282), (14141, 23950)]