149901860

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{77269}}^1$

素因数の和:77375

約数の個数: 24

約数和(自身を含む): 318043320

約数和(自身を除く): 168141460

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 77269, 154538, 309076, 386345, 772690, 1545380, 7495093, 14990186, 29980372, 37475465, 74950930, 149901860]

約数ペア:

[(1, 149901860), (2, 74950930), (4, 37475465), (5, 29980372), (10, 14990186), (20, 7495093), (97, 1545380), (194, 772690), (388, 386345), (485, 309076), (970, 154538), (1940, 77269)]