215896772

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 516160512

約数和(自身を除く): 300263740

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 31, 38, 52, 53, 62, 76, 91, 106, 124, 133, 182, 212, 217, 247, 266, 361, 364, 371, 403, 434, 494, 532, 589, 689, 722, 742, 806, 868, 988, 1007, 1178, 1378, 1444, 1484, 1612, 1643, 1729, 2014, 2356, 2527, 2756, 2821, 3286, 3458, 4028, 4123, 4693, 4823, 5054, 5642, 6572, 6916, 7049, 7657, 8246, 9386, 9646, 10108, 11191, 11284, 11501, 13091, 14098, 15314, 16492, 18772, 19133, 19292, 21359, 22382, 23002, 26182, 28196, 30628, 31217, 32851, 38266, 42718, 44764, 46004, 52364, 53599, 62434, 65702, 76532, 78337, 85436, 91637, 107198, 124868, 131404, 133931, 145483, 149513, 156674, 183274, 214396, 218519, 248729, 267862, 290966, 299026, 313348, 366548, 405821, 437038, 497458, 535724, 581932, 593123, 598052, 811642, 874076, 994916, 1018381, 1186246, 1623284, 1741103, 2036762, 2372492, 2840747, 3482206, 4073524, 4151861, 5681494, 6964412, 7710599, 8303722, 11362988, 15421198, 16607444, 30842396, 53974193, 107948386, 215896772]

約数ペア:

[(1, 215896772), (2, 107948386), (4, 53974193), (7, 30842396), (13, 16607444), (14, 15421198), (19, 11362988), (26, 8303722), (28, 7710599), (31, 6964412), (38, 5681494), (52, 4151861), (53, 4073524), (62, 3482206), (76, 2840747), (91, 2372492), (106, 2036762), (124, 1741103), (133, 1623284), (182, 1186246), (212, 1018381), (217, 994916), (247, 874076), (266, 811642), (361, 598052), (364, 593123), (371, 581932), (403, 535724), (434, 497458), (494, 437038), (532, 405821), (589, 366548), (689, 313348), (722, 299026), (742, 290966), (806, 267862), (868, 248729), (988, 218519), (1007, 214396), (1178, 183274), (1378, 156674), (1444, 149513), (1484, 145483), (1612, 133931), (1643, 131404), (1729, 124868), (2014, 107198), (2356, 91637), (2527, 85436), (2756, 78337), (2821, 76532), (3286, 65702), (3458, 62434), (4028, 53599), (4123, 52364), (4693, 46004), (4823, 44764), (5054, 42718), (5642, 38266), (6572, 32851), (6916, 31217), (7049, 30628), (7657, 28196), (8246, 26182), (9386, 23002), (9646, 22382), (10108, 21359), (11191, 19292), (11284, 19133), (11501, 18772), (13091, 16492), (14098, 15314)]