77081900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{15731}}^1$

素因数の和:15759

約数の個数: 54

約数和(自身を含む): 194589108

約数和(自身を除く): 117507208

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 15731, 31462, 62924, 78655, 110117, 157310, 220234, 314620, 393275, 440468, 550585, 770819, 786550, 1101170, 1541638, 1573100, 2202340, 2752925, 3083276, 3854095, 5505850, 7708190, 11011700, 15416380, 19270475, 38540950, 77081900]

約数ペア:

[(1, 77081900), (2, 38540950), (4, 19270475), (5, 15416380), (7, 11011700), (10, 7708190), (14, 5505850), (20, 3854095), (25, 3083276), (28, 2752925), (35, 2202340), (49, 1573100), (50, 1541638), (70, 1101170), (98, 786550), (100, 770819), (140, 550585), (175, 440468), (196, 393275), (245, 314620), (350, 220234), (490, 157310), (700, 110117), (980, 78655), (1225, 62924), (2450, 31462), (4900, 15731)]