254994440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{335519}}^1$

素因数の和:335549

約数の個数: 32

約数和(自身を含む): 603936000

約数和(自身を除く): 348941560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 335519, 671038, 1342076, 1677595, 2684152, 3355190, 6374861, 6710380, 12749722, 13420760, 25499444, 31874305, 50998888, 63748610, 127497220, 254994440]

約数ペア:

[(1, 254994440), (2, 127497220), (4, 63748610), (5, 50998888), (8, 31874305), (10, 25499444), (19, 13420760), (20, 12749722), (38, 6710380), (40, 6374861), (76, 3355190), (95, 2684152), (152, 1677595), (190, 1342076), (380, 671038), (760, 335519)]