277789720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{534211}}^1$

素因数の和:534235

約数の個数: 32

約数和(自身を含む): 673107120

約数和(自身を除く): 395317400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 534211, 1068422, 2136844, 2671055, 4273688, 5342110, 6944743, 10684220, 13889486, 21368440, 27778972, 34723715, 55557944, 69447430, 138894860, 277789720]

約数ペア:

[(1, 277789720), (2, 138894860), (4, 69447430), (5, 55557944), (8, 34723715), (10, 27778972), (13, 21368440), (20, 13889486), (26, 10684220), (40, 6944743), (52, 5342110), (65, 4273688), (104, 2671055), (130, 2136844), (260, 1068422), (520, 534211)]