256555404

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:429

約数の個数: 192

約数和(自身を含む): 817689600

約数和(自身を除く): 561134196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 53, 54, 57, 63, 76, 84, 106, 108, 114, 126, 133, 159, 171, 189, 212, 228, 252, 266, 318, 337, 342, 371, 378, 399, 477, 513, 532, 636, 674, 684, 742, 756, 798, 954, 1007, 1011, 1026, 1113, 1197, 1348, 1431, 1484, 1596, 1908, 2014, 2022, 2052, 2226, 2359, 2394, 2862, 3021, 3033, 3339, 3591, 4028, 4044, 4452, 4718, 4788, 5724, 6042, 6066, 6403, 6678, 7049, 7077, 7182, 9063, 9099, 9436, 10017, 12084, 12132, 12806, 13356, 14098, 14154, 14364, 17861, 18126, 18198, 19209, 20034, 21147, 21231, 25612, 27189, 28196, 28308, 35722, 36252, 36396, 38418, 40068, 42294, 42462, 44821, 53583, 54378, 57627, 63441, 63693, 71444, 76836, 84588, 84924, 89642, 107166, 108756, 115254, 125027, 126882, 127386, 134463, 160749, 172881, 179284, 190323, 214332, 230508, 250054, 253764, 254772, 268926, 321498, 339359, 345762, 375081, 380646, 403389, 482247, 500108, 537852, 642996, 678718, 691524, 750162, 761292, 806778, 964494, 1018077, 1125243, 1210167, 1357436, 1500324, 1613556, 1928988, 2036154, 2250486, 2375513, 2420334, 3054231, 3375729, 4072308, 4500972, 4751026, 4840668, 6108462, 6751458, 7126539, 9162693, 9502052, 12216924, 13502916, 14253078, 18325386, 21379617, 28506156, 36650772, 42759234, 64138851, 85518468, 128277702, 256555404]

約数ペア:

[(1, 256555404), (2, 128277702), (3, 85518468), (4, 64138851), (6, 42759234), (7, 36650772), (9, 28506156), (12, 21379617), (14, 18325386), (18, 14253078), (19, 13502916), (21, 12216924), (27, 9502052), (28, 9162693), (36, 7126539), (38, 6751458), (42, 6108462), (53, 4840668), (54, 4751026), (57, 4500972), (63, 4072308), (76, 3375729), (84, 3054231), (106, 2420334), (108, 2375513), (114, 2250486), (126, 2036154), (133, 1928988), (159, 1613556), (171, 1500324), (189, 1357436), (212, 1210167), (228, 1125243), (252, 1018077), (266, 964494), (318, 806778), (337, 761292), (342, 750162), (371, 691524), (378, 678718), (399, 642996), (477, 537852), (513, 500108), (532, 482247), (636, 403389), (674, 380646), (684, 375081), (742, 345762), (756, 339359), (798, 321498), (954, 268926), (1007, 254772), (1011, 253764), (1026, 250054), (1113, 230508), (1197, 214332), (1348, 190323), (1431, 179284), (1484, 172881), (1596, 160749), (1908, 134463), (2014, 127386), (2022, 126882), (2052, 125027), (2226, 115254), (2359, 108756), (2394, 107166), (2862, 89642), (3021, 84924), (3033, 84588), (3339, 76836), (3591, 71444), (4028, 63693), (4044, 63441), (4452, 57627), (4718, 54378), (4788, 53583), (5724, 44821), (6042, 42462), (6066, 42294), (6403, 40068), (6678, 38418), (7049, 36396), (7077, 36252), (7182, 35722), (9063, 28308), (9099, 28196), (9436, 27189), (10017, 25612), (12084, 21231), (12132, 21147), (12806, 20034), (13356, 19209), (14098, 18198), (14154, 18126), (14364, 17861)]