77889933880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2857}}^1\times {\mathrm{61961}}^1$

素因数の和:64840

約数の個数: 64

約数和(自身を含む): 191254387680

約数和(自身を除く): 113364453800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2857, 5714, 11428, 14285, 22856, 28570, 31427, 57140, 61961, 62854, 114280, 123922, 125708, 157135, 247844, 251416, 309805, 314270, 495688, 619610, 628540, 681571, 1239220, 1257080, 1363142, 2478440, 2726284, 3407855, 5452568, 6815710, 13631420, 27262840, 177022577, 354045154, 708090308, 885112885, 1416180616, 1770225770, 1947248347, 3540451540, 3894496694, 7080903080, 7788993388, 9736241735, 15577986776, 19472483470, 38944966940, 77889933880]

約数ペア:

[(1, 77889933880), (2, 38944966940), (4, 19472483470), (5, 15577986776), (8, 9736241735), (10, 7788993388), (11, 7080903080), (20, 3894496694), (22, 3540451540), (40, 1947248347), (44, 1770225770), (55, 1416180616), (88, 885112885), (110, 708090308), (220, 354045154), (440, 177022577), (2857, 27262840), (5714, 13631420), (11428, 6815710), (14285, 5452568), (22856, 3407855), (28570, 2726284), (31427, 2478440), (57140, 1363142), (61961, 1257080), (62854, 1239220), (114280, 681571), (123922, 628540), (125708, 619610), (157135, 495688), (247844, 314270), (251416, 309805)]