257610444

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{503}}^1$

素因数の和:604

約数の個数: 144

約数和(自身を含む): 765773568

約数和(自身を除く): 508163124

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 67, 78, 84, 91, 98, 134, 147, 156, 182, 196, 201, 268, 273, 294, 364, 402, 469, 503, 546, 588, 637, 804, 871, 938, 1006, 1092, 1274, 1407, 1509, 1742, 1876, 1911, 2012, 2548, 2613, 2814, 3018, 3283, 3484, 3521, 3822, 5226, 5628, 6036, 6097, 6539, 6566, 7042, 7644, 9849, 10452, 10563, 12194, 13078, 13132, 14084, 18291, 19617, 19698, 21126, 24388, 24647, 26156, 33701, 36582, 39234, 39396, 42252, 42679, 45773, 49294, 67402, 73164, 73941, 78468, 85358, 91546, 98588, 101103, 128037, 134804, 137319, 147882, 170716, 183092, 202206, 235907, 256074, 274638, 295764, 320411, 404412, 438113, 471814, 512148, 549276, 640822, 707721, 876226, 943628, 961233, 1281644, 1314339, 1415442, 1651349, 1752452, 1922466, 2628678, 2830884, 3066791, 3302698, 3844932, 4954047, 5257356, 6133582, 6605396, 9200373, 9908094, 12267164, 18400746, 19816188, 21467537, 36801492, 42935074, 64402611, 85870148, 128805222, 257610444]

約数ペア:

[(1, 257610444), (2, 128805222), (3, 85870148), (4, 64402611), (6, 42935074), (7, 36801492), (12, 21467537), (13, 19816188), (14, 18400746), (21, 12267164), (26, 9908094), (28, 9200373), (39, 6605396), (42, 6133582), (49, 5257356), (52, 4954047), (67, 3844932), (78, 3302698), (84, 3066791), (91, 2830884), (98, 2628678), (134, 1922466), (147, 1752452), (156, 1651349), (182, 1415442), (196, 1314339), (201, 1281644), (268, 961233), (273, 943628), (294, 876226), (364, 707721), (402, 640822), (469, 549276), (503, 512148), (546, 471814), (588, 438113), (637, 404412), (804, 320411), (871, 295764), (938, 274638), (1006, 256074), (1092, 235907), (1274, 202206), (1407, 183092), (1509, 170716), (1742, 147882), (1876, 137319), (1911, 134804), (2012, 128037), (2548, 101103), (2613, 98588), (2814, 91546), (3018, 85358), (3283, 78468), (3484, 73941), (3521, 73164), (3822, 67402), (5226, 49294), (5628, 45773), (6036, 42679), (6097, 42252), (6539, 39396), (6566, 39234), (7042, 36582), (7644, 33701), (9849, 26156), (10452, 24647), (10563, 24388), (12194, 21126), (13078, 19698), (13132, 19617), (14084, 18291)]