135165580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{19819}}^1$

素因数の和:19870

約数の個数: 48

約数和(自身を含む): 319656960

約数和(自身を除く): 184491380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 19819, 39638, 79276, 99095, 198190, 218009, 396380, 436018, 614389, 872036, 1090045, 1228778, 2180090, 2457556, 3071945, 4360180, 6143890, 6758279, 12287780, 13516558, 27033116, 33791395, 67582790, 135165580]

約数ペア:

[(1, 135165580), (2, 67582790), (4, 33791395), (5, 27033116), (10, 13516558), (11, 12287780), (20, 6758279), (22, 6143890), (31, 4360180), (44, 3071945), (55, 2457556), (62, 2180090), (110, 1228778), (124, 1090045), (155, 872036), (220, 614389), (310, 436018), (341, 396380), (620, 218009), (682, 198190), (1364, 99095), (1705, 79276), (3410, 39638), (6820, 19819)]