2019587720

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{338857}}^1$

素因数の和:339017

約数の個数: 32

約数和(自身を含む): 4574583000

約数和(自身を除く): 2554995280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 338857, 677714, 1355428, 1694285, 2710856, 3388570, 6777140, 13554280, 50489693, 100979386, 201958772, 252448465, 403917544, 504896930, 1009793860, 2019587720]

約数ペア:

[(1, 2019587720), (2, 1009793860), (4, 504896930), (5, 403917544), (8, 252448465), (10, 201958772), (20, 100979386), (40, 50489693), (149, 13554280), (298, 6777140), (596, 3388570), (745, 2710856), (1192, 1694285), (1490, 1355428), (2980, 677714), (5960, 338857)]