20171728070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:978

約数の個数: 128

約数和(自身を含む): 41477184000

約数和(自身を除く): 21305455930

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 79, 89, 130, 145, 158, 178, 290, 377, 395, 445, 754, 761, 790, 890, 1027, 1157, 1522, 1885, 2054, 2291, 2314, 2581, 3770, 3805, 4582, 5135, 5162, 5785, 7031, 7610, 9893, 10270, 11455, 11570, 12905, 14062, 19786, 22069, 22910, 25810, 29783, 33553, 35155, 44138, 49465, 59566, 60119, 67106, 67729, 70310, 91403, 98930, 110345, 120238, 135458, 148915, 167765, 182806, 203899, 220690, 286897, 297830, 300595, 335530, 338645, 407798, 457015, 573794, 601190, 677290, 781547, 880477, 914030, 1019495, 1434485, 1563094, 1743451, 1760954, 1964141, 2038990, 2650687, 2868970, 3486902, 3907735, 3928282, 4402385, 5301374, 5350591, 7815470, 8717255, 8804770, 9820705, 10701182, 13253435, 17434510, 19641410, 22664863, 25533833, 26506870, 26752955, 45329726, 51067666, 53505910, 69557683, 113324315, 127669165, 139115366, 155167139, 226648630, 255338330, 310334278, 347788415, 695576830, 775835695, 1551671390, 2017172807, 4034345614, 10085864035, 20171728070]

約数ペア:

[(1, 20171728070), (2, 10085864035), (5, 4034345614), (10, 2017172807), (13, 1551671390), (26, 775835695), (29, 695576830), (58, 347788415), (65, 310334278), (79, 255338330), (89, 226648630), (130, 155167139), (145, 139115366), (158, 127669165), (178, 113324315), (290, 69557683), (377, 53505910), (395, 51067666), (445, 45329726), (754, 26752955), (761, 26506870), (790, 25533833), (890, 22664863), (1027, 19641410), (1157, 17434510), (1522, 13253435), (1885, 10701182), (2054, 9820705), (2291, 8804770), (2314, 8717255), (2581, 7815470), (3770, 5350591), (3805, 5301374), (4582, 4402385), (5135, 3928282), (5162, 3907735), (5785, 3486902), (7031, 2868970), (7610, 2650687), (9893, 2038990), (10270, 1964141), (11455, 1760954), (11570, 1743451), (12905, 1563094), (14062, 1434485), (19786, 1019495), (22069, 914030), (22910, 880477), (25810, 781547), (29783, 677290), (33553, 601190), (35155, 573794), (44138, 457015), (49465, 407798), (59566, 338645), (60119, 335530), (67106, 300595), (67729, 297830), (70310, 286897), (91403, 220690), (98930, 203899), (110345, 182806), (120238, 167765), (135458, 148915)]