289339810

素因数分解:

$2^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1\times {\mathrm{761}}^1$

素因数の和:1158

約数の個数: 32

約数和(自身を含む): 526858992

約数和(自身を除く): 237519182

約数列:

[1, 2, 5, 10, 193, 197, 386, 394, 761, 965, 985, 1522, 1930, 1970, 3805, 7610, 38021, 76042, 146873, 149917, 190105, 293746, 299834, 380210, 734365, 749585, 1468730, 1499170, 28933981, 57867962, 144669905, 289339810]

約数ペア:

[(1, 289339810), (2, 144669905), (5, 57867962), (10, 28933981), (193, 1499170), (197, 1468730), (386, 749585), (394, 734365), (761, 380210), (965, 299834), (985, 293746), (1522, 190105), (1930, 149917), (1970, 146873), (3805, 76042), (7610, 38021)]