168496220

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{31319}}^1$

素因数の和:31597

約数の個数: 24

約数和(自身を含む): 355168800

約数和(自身を除く): 186672580

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 31319, 62638, 125276, 156595, 313190, 626380, 8424811, 16849622, 33699244, 42124055, 84248110, 168496220]

約数ペア:

[(1, 168496220), (2, 84248110), (4, 42124055), (5, 33699244), (10, 16849622), (20, 8424811), (269, 626380), (538, 313190), (1076, 156595), (1345, 125276), (2690, 62638), (5380, 31319)]