318207730

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1\times {\mathrm{1249}}^1$

素因数の和:1678

約数の個数: 32

約数和(自身を含む): 582750000

約数和(自身を除く): 264542270

約数列:

[1, 2, 5, 10, 73, 146, 349, 365, 698, 730, 1249, 1745, 2498, 3490, 6245, 12490, 25477, 50954, 91177, 127385, 182354, 254770, 435901, 455885, 871802, 911770, 2179505, 4359010, 31820773, 63641546, 159103865, 318207730]

約数ペア:

[(1, 318207730), (2, 159103865), (5, 63641546), (10, 31820773), (73, 4359010), (146, 2179505), (349, 911770), (365, 871802), (698, 455885), (730, 435901), (1249, 254770), (1745, 182354), (2498, 127385), (3490, 91177), (6245, 50954), (12490, 25477)]