134894440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{78427}}^1$

素因数の和:78481

約数の個数: 32

約数和(自身を含む): 310574880

約数和(自身を除く): 175680440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 78427, 156854, 313708, 392135, 627416, 784270, 1568540, 3137080, 3372361, 6744722, 13489444, 16861805, 26978888, 33723610, 67447220, 134894440]

約数ペア:

[(1, 134894440), (2, 67447220), (4, 33723610), (5, 26978888), (8, 16861805), (10, 13489444), (20, 6744722), (40, 3372361), (43, 3137080), (86, 1568540), (172, 784270), (215, 627416), (344, 392135), (430, 313708), (860, 156854), (1720, 78427)]