204440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 486000

約数和(自身を除く): 281560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 269, 380, 538, 760, 1076, 1345, 2152, 2690, 5111, 5380, 10222, 10760, 20444, 25555, 40888, 51110, 102220, 204440]

約数ペア:

[(1, 204440), (2, 102220), (4, 51110), (5, 40888), (8, 25555), (10, 20444), (19, 10760), (20, 10222), (38, 5380), (40, 5111), (76, 2690), (95, 2152), (152, 1345), (190, 1076), (269, 760), (380, 538)]