280210310

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{213901}}^1$

素因数の和:214039

約数の個数: 16

約数和(自身を含む): 508231152

約数和(自身を除く): 228020842

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 213901, 427802, 1069505, 2139010, 28021031, 56042062, 140105155, 280210310]

約数ペア:

[(1, 280210310), (2, 140105155), (5, 56042062), (10, 28021031), (131, 2139010), (262, 1069505), (655, 427802), (1310, 213901)]