290605

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:73

約数の個数: 24

約数和(自身を含む): 438912

約数和(自身を除く): 148307

約数列:

[1, 5, 7, 19, 23, 35, 95, 115, 133, 161, 361, 437, 665, 805, 1805, 2185, 2527, 3059, 8303, 12635, 15295, 41515, 58121, 290605]

約数ペア:

[(1, 290605), (5, 58121), (7, 41515), (19, 15295), (23, 12635), (35, 8303), (95, 3059), (115, 2527), (133, 2185), (161, 1805), (361, 805), (437, 665)]