289697590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{318349}}^1$

素因数の和:318376

約数の個数: 32

約数和(自身を含む): 641793600

約数和(自身を除く): 352096010

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 318349, 636698, 1591745, 2228443, 3183490, 4138537, 4456886, 8277074, 11142215, 20692685, 22284430, 28969759, 41385370, 57939518, 144848795, 289697590]

約数ペア:

[(1, 289697590), (2, 144848795), (5, 57939518), (7, 41385370), (10, 28969759), (13, 22284430), (14, 20692685), (26, 11142215), (35, 8277074), (65, 4456886), (70, 4138537), (91, 3183490), (130, 2228443), (182, 1591745), (455, 636698), (910, 318349)]