256449730

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{351301}}^1$

素因数の和:351381

約数の個数: 16

約数和(自身を含む): 467934264

約数和(自身を除く): 211484534

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 351301, 702602, 1756505, 3513010, 25644973, 51289946, 128224865, 256449730]

約数ペア:

[(1, 256449730), (2, 128224865), (5, 51289946), (10, 25644973), (73, 3513010), (146, 1756505), (365, 702602), (730, 351301)]