291223220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1\times {\mathrm{1447}}^1$

素因数の和:1832

約数の個数: 48

約数和(自身を含む): 634919040

約数和(自身を除く): 343695820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 347, 580, 694, 1388, 1447, 1735, 2894, 3470, 5788, 6940, 7235, 10063, 14470, 20126, 28940, 40252, 41963, 50315, 83926, 100630, 167852, 201260, 209815, 419630, 502109, 839260, 1004218, 2008436, 2510545, 5021090, 10042180, 14561161, 29122322, 58244644, 72805805, 145611610, 291223220]

約数ペア:

[(1, 291223220), (2, 145611610), (4, 72805805), (5, 58244644), (10, 29122322), (20, 14561161), (29, 10042180), (58, 5021090), (116, 2510545), (145, 2008436), (290, 1004218), (347, 839260), (580, 502109), (694, 419630), (1388, 209815), (1447, 201260), (1735, 167852), (2894, 100630), (3470, 83926), (5788, 50315), (6940, 41963), (7235, 40252), (10063, 28940), (14470, 20126)]