2644220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 5927040

約数和(自身を除く): 3282820

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 97, 116, 145, 188, 194, 235, 290, 388, 470, 485, 580, 940, 970, 1363, 1940, 2726, 2813, 4559, 5452, 5626, 6815, 9118, 11252, 13630, 14065, 18236, 22795, 27260, 28130, 45590, 56260, 91180, 132211, 264422, 528844, 661055, 1322110, 2644220]

約数ペア:

[(1, 2644220), (2, 1322110), (4, 661055), (5, 528844), (10, 264422), (20, 132211), (29, 91180), (47, 56260), (58, 45590), (94, 28130), (97, 27260), (116, 22795), (145, 18236), (188, 14065), (194, 13630), (235, 11252), (290, 9118), (388, 6815), (470, 5626), (485, 5452), (580, 4559), (940, 2813), (970, 2726), (1363, 1940)]