2779969280

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197441}}^1$

素因数の和:197473

約数の個数: 72

約数和(自身を含む): 7264286064

約数和(自身を除く): 4484316784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 14080, 197441, 394882, 789764, 987205, 1579528, 1974410, 2171851, 3159056, 3948820, 4343702, 6318112, 7897640, 8687404, 10859255, 12636224, 15795280, 17374808, 21718510, 25272448, 31590560, 34749616, 43437020, 50544896, 63181120, 69499232, 86874040, 126362240, 138998464, 173748080, 252724480, 277996928, 347496160, 555993856, 694992320, 1389984640, 2779969280]

約数ペア:

[(1, 2779969280), (2, 1389984640), (4, 694992320), (5, 555993856), (8, 347496160), (10, 277996928), (11, 252724480), (16, 173748080), (20, 138998464), (22, 126362240), (32, 86874040), (40, 69499232), (44, 63181120), (55, 50544896), (64, 43437020), (80, 34749616), (88, 31590560), (110, 25272448), (128, 21718510), (160, 17374808), (176, 15795280), (220, 12636224), (256, 10859255), (320, 8687404), (352, 7897640), (440, 6318112), (640, 4343702), (704, 3948820), (880, 3159056), (1280, 2171851), (1408, 1974410), (1760, 1579528), (2816, 987205), (3520, 789764), (7040, 394882), (14080, 197441)]