516958220

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1\times {\mathrm{673}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 1098350400

約数和(自身を除く): 581392180

約数列:

[1, 2, 4, 5, 10, 20, 193, 199, 386, 398, 673, 772, 796, 965, 995, 1346, 1930, 1990, 2692, 3365, 3860, 3980, 6730, 13460, 38407, 76814, 129889, 133927, 153628, 192035, 259778, 267854, 384070, 519556, 535708, 649445, 669635, 768140, 1298890, 1339270, 2597780, 2678540, 25847911, 51695822, 103391644, 129239555, 258479110, 516958220]

約数ペア:

[(1, 516958220), (2, 258479110), (4, 129239555), (5, 103391644), (10, 51695822), (20, 25847911), (193, 2678540), (199, 2597780), (386, 1339270), (398, 1298890), (673, 768140), (772, 669635), (796, 649445), (965, 535708), (995, 519556), (1346, 384070), (1930, 267854), (1990, 259778), (2692, 192035), (3365, 153628), (3860, 133927), (3980, 129889), (6730, 76814), (13460, 38407)]