85018780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55207}}^1$

素因数の和:55234

約数の個数: 48

約数和(自身を含む): 222598656

約数和(自身を除く): 137579876

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 55207, 110414, 220828, 276035, 386449, 552070, 607277, 772898, 1104140, 1214554, 1545796, 1932245, 2429108, 3036385, 3864490, 4250939, 6072770, 7728980, 8501878, 12145540, 17003756, 21254695, 42509390, 85018780]

約数ペア:

[(1, 85018780), (2, 42509390), (4, 21254695), (5, 17003756), (7, 12145540), (10, 8501878), (11, 7728980), (14, 6072770), (20, 4250939), (22, 3864490), (28, 3036385), (35, 2429108), (44, 1932245), (55, 1545796), (70, 1214554), (77, 1104140), (110, 772898), (140, 607277), (154, 552070), (220, 386449), (308, 276035), (385, 220828), (770, 110414), (1540, 55207)]