7817236460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{68729}}^1$

素因数の和:68807

約数の個数: 72

約数和(自身を含む): 18428437440

約数和(自身を除く): 10611200980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 121, 188, 220, 235, 242, 470, 484, 517, 605, 940, 1034, 1210, 2068, 2420, 2585, 5170, 5687, 10340, 11374, 22748, 28435, 56870, 68729, 113740, 137458, 274916, 343645, 687290, 756019, 1374580, 1512038, 3024076, 3230263, 3780095, 6460526, 7560190, 8316209, 12921052, 15120380, 16151315, 16632418, 32302630, 33264836, 35532893, 41581045, 64605260, 71065786, 83162090, 142131572, 166324180, 177664465, 355328930, 390861823, 710657860, 781723646, 1563447292, 1954309115, 3908618230, 7817236460]

約数ペア:

[(1, 7817236460), (2, 3908618230), (4, 1954309115), (5, 1563447292), (10, 781723646), (11, 710657860), (20, 390861823), (22, 355328930), (44, 177664465), (47, 166324180), (55, 142131572), (94, 83162090), (110, 71065786), (121, 64605260), (188, 41581045), (220, 35532893), (235, 33264836), (242, 32302630), (470, 16632418), (484, 16151315), (517, 15120380), (605, 12921052), (940, 8316209), (1034, 7560190), (1210, 6460526), (2068, 3780095), (2420, 3230263), (2585, 3024076), (5170, 1512038), (5687, 1374580), (10340, 756019), (11374, 687290), (22748, 343645), (28435, 274916), (56870, 137458), (68729, 113740)]