2178005590

素因数分解:

$2^1\times 5^1\times {\mathrm{7621}}^1\times {\mathrm{28579}}^1$

素因数の和:36207

約数の個数: 16

約数和(自身を含む): 3921061680

約数和(自身を除く): 1743056090

約数列:

[1, 2, 5, 10, 7621, 15242, 28579, 38105, 57158, 76210, 142895, 285790, 217800559, 435601118, 1089002795, 2178005590]

約数ペア:

[(1, 2178005590), (2, 1089002795), (5, 435601118), (10, 217800559), (7621, 285790), (15242, 142895), (28579, 76210), (38105, 57158)]