77734580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7211}}^1$

素因数の和:7245

約数の個数: 72

約数和(自身を含む): 207186336

約数和(自身を除く): 129451756

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 7211, 10780, 14422, 28844, 36055, 50477, 72110, 79321, 100954, 144220, 158642, 201908, 252385, 317284, 353339, 396605, 504770, 555247, 706678, 793210, 1009540, 1110494, 1413356, 1586420, 1766695, 2220988, 2776235, 3533390, 3886729, 5552470, 7066780, 7773458, 11104940, 15546916, 19433645, 38867290, 77734580]

約数ペア:

[(1, 77734580), (2, 38867290), (4, 19433645), (5, 15546916), (7, 11104940), (10, 7773458), (11, 7066780), (14, 5552470), (20, 3886729), (22, 3533390), (28, 2776235), (35, 2220988), (44, 1766695), (49, 1586420), (55, 1413356), (70, 1110494), (77, 1009540), (98, 793210), (110, 706678), (140, 555247), (154, 504770), (196, 396605), (220, 353339), (245, 317284), (308, 252385), (385, 201908), (490, 158642), (539, 144220), (770, 100954), (980, 79321), (1078, 72110), (1540, 50477), (2156, 36055), (2695, 28844), (5390, 14422), (7211, 10780)]