30908680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 76464000

約数和(自身を除く): 45555320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 199, 220, 353, 398, 440, 706, 796, 995, 1412, 1592, 1765, 1990, 2189, 2824, 3530, 3883, 3980, 4378, 7060, 7766, 7960, 8756, 10945, 14120, 15532, 17512, 19415, 21890, 31064, 38830, 43780, 70247, 77660, 87560, 140494, 155320, 280988, 351235, 561976, 702470, 772717, 1404940, 1545434, 2809880, 3090868, 3863585, 6181736, 7727170, 15454340, 30908680]

約数ペア:

[(1, 30908680), (2, 15454340), (4, 7727170), (5, 6181736), (8, 3863585), (10, 3090868), (11, 2809880), (20, 1545434), (22, 1404940), (40, 772717), (44, 702470), (55, 561976), (88, 351235), (110, 280988), (199, 155320), (220, 140494), (353, 87560), (398, 77660), (440, 70247), (706, 43780), (796, 38830), (995, 31064), (1412, 21890), (1592, 19415), (1765, 17512), (1990, 15532), (2189, 14120), (2824, 10945), (3530, 8756), (3883, 7960), (3980, 7766), (4378, 7060)]