257560884

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:224

約数の個数: 240

約数和(自身を含む): 834803200

約数和(自身を除く): 577242316

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 43, 54, 57, 63, 76, 81, 84, 86, 108, 114, 126, 129, 133, 139, 162, 171, 172, 189, 228, 252, 258, 266, 278, 301, 324, 342, 378, 387, 399, 417, 513, 516, 532, 556, 567, 602, 684, 756, 774, 798, 817, 834, 903, 973, 1026, 1134, 1161, 1197, 1204, 1251, 1539, 1548, 1596, 1634, 1668, 1806, 1946, 2052, 2268, 2322, 2394, 2451, 2502, 2641, 2709, 2919, 3078, 3268, 3483, 3591, 3612, 3753, 3892, 4644, 4788, 4902, 5004, 5282, 5418, 5719, 5838, 5977, 6156, 6966, 7182, 7353, 7506, 7923, 8127, 8757, 9804, 10564, 10773, 10836, 11259, 11438, 11676, 11954, 13932, 14364, 14706, 15012, 15846, 16254, 17157, 17514, 17931, 18487, 21546, 22059, 22518, 22876, 23769, 23908, 24381, 26271, 29412, 31692, 32508, 34314, 35028, 35862, 36974, 41839, 43092, 44118, 45036, 47538, 48762, 51471, 52542, 53793, 55461, 66177, 68628, 71307, 71724, 73948, 78813, 83678, 88236, 95076, 97524, 102942, 105084, 107586, 110922, 113563, 125517, 132354, 142614, 154413, 157626, 161379, 166383, 167356, 205884, 213921, 215172, 221844, 227126, 251034, 264708, 285228, 308826, 315252, 322758, 332766, 340689, 376551, 427842, 454252, 463239, 484137, 499149, 502068, 617652, 645516, 665532, 681378, 753102, 794941, 855684, 926478, 968274, 998298, 1022067, 1129653, 1362756, 1497447, 1506204, 1589882, 1852956, 1936548, 1996596, 2044134, 2259306, 2384823, 2994894, 3066201, 3179764, 3388959, 4088268, 4518612, 4769646, 5989788, 6132402, 6777918, 7154469, 9198603, 9539292, 12264804, 13555836, 14308938, 18397206, 21463407, 28617876, 36794412, 42926814, 64390221, 85853628, 128780442, 257560884]

約数ペア:

[(1, 257560884), (2, 128780442), (3, 85853628), (4, 64390221), (6, 42926814), (7, 36794412), (9, 28617876), (12, 21463407), (14, 18397206), (18, 14308938), (19, 13555836), (21, 12264804), (27, 9539292), (28, 9198603), (36, 7154469), (38, 6777918), (42, 6132402), (43, 5989788), (54, 4769646), (57, 4518612), (63, 4088268), (76, 3388959), (81, 3179764), (84, 3066201), (86, 2994894), (108, 2384823), (114, 2259306), (126, 2044134), (129, 1996596), (133, 1936548), (139, 1852956), (162, 1589882), (171, 1506204), (172, 1497447), (189, 1362756), (228, 1129653), (252, 1022067), (258, 998298), (266, 968274), (278, 926478), (301, 855684), (324, 794941), (342, 753102), (378, 681378), (387, 665532), (399, 645516), (417, 617652), (513, 502068), (516, 499149), (532, 484137), (556, 463239), (567, 454252), (602, 427842), (684, 376551), (756, 340689), (774, 332766), (798, 322758), (817, 315252), (834, 308826), (903, 285228), (973, 264708), (1026, 251034), (1134, 227126), (1161, 221844), (1197, 215172), (1204, 213921), (1251, 205884), (1539, 167356), (1548, 166383), (1596, 161379), (1634, 157626), (1668, 154413), (1806, 142614), (1946, 132354), (2052, 125517), (2268, 113563), (2322, 110922), (2394, 107586), (2451, 105084), (2502, 102942), (2641, 97524), (2709, 95076), (2919, 88236), (3078, 83678), (3268, 78813), (3483, 73948), (3591, 71724), (3612, 71307), (3753, 68628), (3892, 66177), (4644, 55461), (4788, 53793), (4902, 52542), (5004, 51471), (5282, 48762), (5418, 47538), (5719, 45036), (5838, 44118), (5977, 43092), (6156, 41839), (6966, 36974), (7182, 35862), (7353, 35028), (7506, 34314), (7923, 32508), (8127, 31692), (8757, 29412), (9804, 26271), (10564, 24381), (10773, 23908), (10836, 23769), (11259, 22876), (11438, 22518), (11676, 22059), (11954, 21546), (13932, 18487), (14364, 17931), (14706, 17514), (15012, 17157), (15846, 16254)]