79908290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:843

約数の個数: 64

約数和(自身を含む): 180741888

約数和(自身を除く): 100833598

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 157, 314, 385, 661, 770, 785, 1099, 1322, 1570, 1727, 2198, 3305, 3454, 4627, 5495, 6610, 7271, 8635, 9254, 10990, 12089, 14542, 17270, 23135, 24178, 36355, 46270, 50897, 60445, 72710, 101794, 103777, 120890, 207554, 254485, 508970, 518885, 726439, 1037770, 1141547, 1452878, 2283094, 3632195, 5707735, 7264390, 7990829, 11415470, 15981658, 39954145, 79908290]

約数ペア:

[(1, 79908290), (2, 39954145), (5, 15981658), (7, 11415470), (10, 7990829), (11, 7264390), (14, 5707735), (22, 3632195), (35, 2283094), (55, 1452878), (70, 1141547), (77, 1037770), (110, 726439), (154, 518885), (157, 508970), (314, 254485), (385, 207554), (661, 120890), (770, 103777), (785, 101794), (1099, 72710), (1322, 60445), (1570, 50897), (1727, 46270), (2198, 36355), (3305, 24178), (3454, 23135), (4627, 17270), (5495, 14542), (6610, 12089), (7271, 10990), (8635, 9254)]