279068240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317123}}^1$

素因数の和:317147

約数の個数: 40

約数和(自身を含む): 707820768

約数和(自身を除く): 428752528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 317123, 634246, 1268492, 1585615, 2536984, 3171230, 3488353, 5073968, 6342460, 6976706, 12684920, 13953412, 17441765, 25369840, 27906824, 34883530, 55813648, 69767060, 139534120, 279068240]

約数ペア:

[(1, 279068240), (2, 139534120), (4, 69767060), (5, 55813648), (8, 34883530), (10, 27906824), (11, 25369840), (16, 17441765), (20, 13953412), (22, 12684920), (40, 6976706), (44, 6342460), (55, 5073968), (80, 3488353), (88, 3171230), (110, 2536984), (176, 1585615), (220, 1268492), (440, 634246), (880, 317123)]