8640857750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2287}}^1$

素因数の和:2455

約数の個数: 128

約数和(自身を含む): 19736690688

約数和(自身を除く): 11095832938

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 125, 127, 170, 175, 238, 250, 254, 350, 425, 595, 635, 850, 875, 889, 1190, 1270, 1750, 1778, 2125, 2159, 2287, 2975, 3175, 4250, 4318, 4445, 4574, 5950, 6350, 8890, 10795, 11435, 14875, 15113, 15875, 16009, 21590, 22225, 22870, 29750, 30226, 31750, 32018, 38879, 44450, 53975, 57175, 75565, 77758, 80045, 107950, 111125, 114350, 151130, 160090, 194395, 222250, 269875, 272153, 285875, 290449, 377825, 388790, 400225, 539750, 544306, 571750, 580898, 755650, 800450, 971975, 1360765, 1452245, 1889125, 1943950, 2001125, 2033143, 2721530, 2904490, 3778250, 4002250, 4066286, 4859875, 4937633, 6803825, 7261225, 9719750, 9875266, 10165715, 13607650, 14522450, 20331430, 24688165, 34019125, 34563431, 36306125, 49376330, 50828575, 68038250, 69126862, 72612250, 101657150, 123440825, 172817155, 246881650, 254142875, 345634310, 508285750, 617204125, 864085775, 1234408250, 1728171550, 4320428875, 8640857750]

約数ペア:

[(1, 8640857750), (2, 4320428875), (5, 1728171550), (7, 1234408250), (10, 864085775), (14, 617204125), (17, 508285750), (25, 345634310), (34, 254142875), (35, 246881650), (50, 172817155), (70, 123440825), (85, 101657150), (119, 72612250), (125, 69126862), (127, 68038250), (170, 50828575), (175, 49376330), (238, 36306125), (250, 34563431), (254, 34019125), (350, 24688165), (425, 20331430), (595, 14522450), (635, 13607650), (850, 10165715), (875, 9875266), (889, 9719750), (1190, 7261225), (1270, 6803825), (1750, 4937633), (1778, 4859875), (2125, 4066286), (2159, 4002250), (2287, 3778250), (2975, 2904490), (3175, 2721530), (4250, 2033143), (4318, 2001125), (4445, 1943950), (4574, 1889125), (5950, 1452245), (6350, 1360765), (8890, 971975), (10795, 800450), (11435, 755650), (14875, 580898), (15113, 571750), (15875, 544306), (16009, 539750), (21590, 400225), (22225, 388790), (22870, 377825), (29750, 290449), (30226, 285875), (31750, 272153), (32018, 269875), (38879, 222250), (44450, 194395), (53975, 160090), (57175, 151130), (75565, 114350), (77758, 111125), (80045, 107950)]