489476320

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{15373}}^1$

素因数の和:15587

約数の個数: 48

約数和(自身を含む): 1162274400

約数和(自身を除く): 672798080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 6368, 7960, 15373, 15920, 30746, 31840, 61492, 76865, 122984, 153730, 245968, 307460, 491936, 614920, 1229840, 2459680, 3059227, 6118454, 12236908, 15296135, 24473816, 30592270, 48947632, 61184540, 97895264, 122369080, 244738160, 489476320]

約数ペア:

[(1, 489476320), (2, 244738160), (4, 122369080), (5, 97895264), (8, 61184540), (10, 48947632), (16, 30592270), (20, 24473816), (32, 15296135), (40, 12236908), (80, 6118454), (160, 3059227), (199, 2459680), (398, 1229840), (796, 614920), (995, 491936), (1592, 307460), (1990, 245968), (3184, 153730), (3980, 122984), (6368, 76865), (7960, 61492), (15373, 31840), (15920, 30746)]