254748280

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{42743}}^1$

素因数の和:42903

約数の個数: 32

約数和(自身を含む): 577044000

約数和(自身を除く): 322295720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 42743, 85486, 170972, 213715, 341944, 427430, 854860, 1709720, 6368707, 12737414, 25474828, 31843535, 50949656, 63687070, 127374140, 254748280]

約数ペア:

[(1, 254748280), (2, 127374140), (4, 63687070), (5, 50949656), (8, 31843535), (10, 25474828), (20, 12737414), (40, 6368707), (149, 1709720), (298, 854860), (596, 427430), (745, 341944), (1192, 213715), (1490, 170972), (2980, 85486), (5960, 42743)]