389799730

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{31259}}^1$

素因数の和:31338

約数の個数: 32

約数和(自身を含む): 742737600

約数和(自身を除く): 352937870

約数列:

[1, 2, 5, 10, 29, 43, 58, 86, 145, 215, 290, 430, 1247, 2494, 6235, 12470, 31259, 62518, 156295, 312590, 906511, 1344137, 1813022, 2688274, 4532555, 6720685, 9065110, 13441370, 38979973, 77959946, 194899865, 389799730]

約数ペア:

[(1, 389799730), (2, 194899865), (5, 77959946), (10, 38979973), (29, 13441370), (43, 9065110), (58, 6720685), (86, 4532555), (145, 2688274), (215, 1813022), (290, 1344137), (430, 906511), (1247, 312590), (2494, 156295), (6235, 62518), (12470, 31259)]