201780380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{23087}}^1$

素因数の和:23138

約数の個数: 48

約数和(自身を含む): 465454080

約数和(自身を除く): 263673700

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 23087, 46174, 92348, 115435, 230870, 438653, 461740, 531001, 877306, 1062002, 1754612, 2124004, 2193265, 2655005, 4386530, 5310010, 8773060, 10089019, 10620020, 20178038, 40356076, 50445095, 100890190, 201780380]

約数ペア:

[(1, 201780380), (2, 100890190), (4, 50445095), (5, 40356076), (10, 20178038), (19, 10620020), (20, 10089019), (23, 8773060), (38, 5310010), (46, 4386530), (76, 2655005), (92, 2193265), (95, 2124004), (115, 1754612), (190, 1062002), (230, 877306), (380, 531001), (437, 461740), (460, 438653), (874, 230870), (1748, 115435), (2185, 92348), (4370, 46174), (8740, 23087)]