71273020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39161}}^1$

素因数の和:39190

約数の個数: 48

約数和(自身を含む): 184218048

約数和(自身を除く): 112945028

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 39161, 78322, 156644, 195805, 274127, 391610, 509093, 548254, 783220, 1018186, 1096508, 1370635, 2036372, 2545465, 2741270, 3563651, 5090930, 5482540, 7127302, 10181860, 14254604, 17818255, 35636510, 71273020]

約数ペア:

[(1, 71273020), (2, 35636510), (4, 17818255), (5, 14254604), (7, 10181860), (10, 7127302), (13, 5482540), (14, 5090930), (20, 3563651), (26, 2741270), (28, 2545465), (35, 2036372), (52, 1370635), (65, 1096508), (70, 1018186), (91, 783220), (130, 548254), (140, 509093), (182, 391610), (260, 274127), (364, 195805), (455, 156644), (910, 78322), (1820, 39161)]