218384080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{118687}}^1$

素因数の和:118723

約数の個数: 40

約数和(自身を含む): 529823232

約数和(自身を除く): 311439152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 118687, 237374, 474748, 593435, 949496, 1186870, 1898992, 2373740, 2729801, 4747480, 5459602, 9494960, 10919204, 13649005, 21838408, 27298010, 43676816, 54596020, 109192040, 218384080]

約数ペア:

[(1, 218384080), (2, 109192040), (4, 54596020), (5, 43676816), (8, 27298010), (10, 21838408), (16, 13649005), (20, 10919204), (23, 9494960), (40, 5459602), (46, 4747480), (80, 2729801), (92, 2373740), (115, 1898992), (184, 1186870), (230, 949496), (368, 593435), (460, 474748), (920, 237374), (1840, 118687)]