138581920

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5813}}^1$

素因数の和:5977

約数の個数: 48

約数和(自身を含む): 329653800

約数和(自身を除く): 191071880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 1192, 1490, 2384, 2980, 4768, 5813, 5960, 11626, 11920, 23252, 23840, 29065, 46504, 58130, 93008, 116260, 186016, 232520, 465040, 866137, 930080, 1732274, 3464548, 4330685, 6929096, 8661370, 13858192, 17322740, 27716384, 34645480, 69290960, 138581920]

約数ペア:

[(1, 138581920), (2, 69290960), (4, 34645480), (5, 27716384), (8, 17322740), (10, 13858192), (16, 8661370), (20, 6929096), (32, 4330685), (40, 3464548), (80, 1732274), (149, 930080), (160, 866137), (298, 465040), (596, 232520), (745, 186016), (1192, 116260), (1490, 93008), (2384, 58130), (2980, 46504), (4768, 29065), (5813, 23840), (5960, 23252), (11626, 11920)]