78178780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{3643}}^1$

素因数の和:3718

約数の個数: 48

約数和(自身を含む): 174474720

約数和(自身を除く): 96295940

約数列:

[1, 2, 4, 5, 10, 20, 29, 37, 58, 74, 116, 145, 148, 185, 290, 370, 580, 740, 1073, 2146, 3643, 4292, 5365, 7286, 10730, 14572, 18215, 21460, 36430, 72860, 105647, 134791, 211294, 269582, 422588, 528235, 539164, 673955, 1056470, 1347910, 2112940, 2695820, 3908939, 7817878, 15635756, 19544695, 39089390, 78178780]

約数ペア:

[(1, 78178780), (2, 39089390), (4, 19544695), (5, 15635756), (10, 7817878), (20, 3908939), (29, 2695820), (37, 2112940), (58, 1347910), (74, 1056470), (116, 673955), (145, 539164), (148, 528235), (185, 422588), (290, 269582), (370, 211294), (580, 134791), (740, 105647), (1073, 72860), (2146, 36430), (3643, 21460), (4292, 18215), (5365, 14572), (7286, 10730)]