139920440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{318001}}^1$

素因数の和:318023

約数の個数: 32

約数和(自身を含む): 343442160

約数和(自身を除く): 203521720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 318001, 636002, 1272004, 1590005, 2544008, 3180010, 3498011, 6360020, 6996022, 12720040, 13992044, 17490055, 27984088, 34980110, 69960220, 139920440]

約数ペア:

[(1, 139920440), (2, 69960220), (4, 34980110), (5, 27984088), (8, 17490055), (10, 13992044), (11, 12720040), (20, 6996022), (22, 6360020), (40, 3498011), (44, 3180010), (55, 2544008), (88, 1590005), (110, 1272004), (220, 636002), (440, 318001)]