257788476

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:444

約数の個数: 144

約数和(自身を含む): 760687200

約数和(自身を除く): 502898724

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 132, 149, 153, 187, 198, 204, 257, 298, 306, 374, 396, 447, 514, 561, 596, 612, 748, 771, 894, 1028, 1122, 1341, 1542, 1639, 1683, 1788, 2244, 2313, 2533, 2682, 2827, 3084, 3278, 3366, 4369, 4626, 4917, 5066, 5364, 5654, 6556, 6732, 7599, 8481, 8738, 9252, 9834, 10132, 11308, 13107, 14751, 15198, 16962, 17476, 19668, 22797, 25443, 26214, 27863, 29502, 30396, 33924, 38293, 39321, 45594, 48059, 50886, 52428, 55726, 59004, 76586, 78642, 83589, 91188, 96118, 101772, 111452, 114879, 144177, 153172, 157284, 167178, 192236, 229758, 250767, 288354, 334356, 344637, 421223, 432531, 459516, 501534, 576708, 650981, 689274, 842446, 865062, 1003068, 1263669, 1301962, 1378548, 1684892, 1730124, 1952943, 2527338, 2603924, 3791007, 3905886, 5054676, 5858829, 7160791, 7582014, 7811772, 11717658, 14321582, 15164028, 21482373, 23435316, 28643164, 42964746, 64447119, 85929492, 128894238, 257788476]

約数ペア:

[(1, 257788476), (2, 128894238), (3, 85929492), (4, 64447119), (6, 42964746), (9, 28643164), (11, 23435316), (12, 21482373), (17, 15164028), (18, 14321582), (22, 11717658), (33, 7811772), (34, 7582014), (36, 7160791), (44, 5858829), (51, 5054676), (66, 3905886), (68, 3791007), (99, 2603924), (102, 2527338), (132, 1952943), (149, 1730124), (153, 1684892), (187, 1378548), (198, 1301962), (204, 1263669), (257, 1003068), (298, 865062), (306, 842446), (374, 689274), (396, 650981), (447, 576708), (514, 501534), (561, 459516), (596, 432531), (612, 421223), (748, 344637), (771, 334356), (894, 288354), (1028, 250767), (1122, 229758), (1341, 192236), (1542, 167178), (1639, 157284), (1683, 153172), (1788, 144177), (2244, 114879), (2313, 111452), (2533, 101772), (2682, 96118), (2827, 91188), (3084, 83589), (3278, 78642), (3366, 76586), (4369, 59004), (4626, 55726), (4917, 52428), (5066, 50886), (5364, 48059), (5654, 45594), (6556, 39321), (6732, 38293), (7599, 33924), (8481, 30396), (8738, 29502), (9252, 27863), (9834, 26214), (10132, 25443), (11308, 22797), (13107, 19668), (14751, 17476), (15198, 16962)]