834852040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{21319}}^1$

素因数の和:21430

約数の個数: 64

約数和(自身を含む): 2072304000

約数和(自身を除く): 1237451960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 3560, 3916, 4895, 7832, 9790, 19580, 21319, 39160, 42638, 85276, 106595, 170552, 213190, 234509, 426380, 469018, 852760, 938036, 1172545, 1876072, 1897391, 2345090, 3794782, 4690180, 7589564, 9380360, 9486955, 15179128, 18973910, 20871301, 37947820, 41742602, 75895640, 83485204, 104356505, 166970408, 208713010, 417426020, 834852040]

約数ペア:

[(1, 834852040), (2, 417426020), (4, 208713010), (5, 166970408), (8, 104356505), (10, 83485204), (11, 75895640), (20, 41742602), (22, 37947820), (40, 20871301), (44, 18973910), (55, 15179128), (88, 9486955), (89, 9380360), (110, 7589564), (178, 4690180), (220, 3794782), (356, 2345090), (440, 1897391), (445, 1876072), (712, 1172545), (890, 938036), (979, 852760), (1780, 469018), (1958, 426380), (3560, 234509), (3916, 213190), (4895, 170552), (7832, 106595), (9790, 85276), (19580, 42638), (21319, 39160)]