279987372

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:217

約数の個数: 216

約数和(自身を含む): 880379136

約数和(自身を除く): 600391764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 49, 63, 67, 69, 84, 92, 98, 103, 126, 134, 138, 147, 161, 196, 201, 206, 207, 252, 268, 276, 294, 309, 322, 402, 412, 414, 441, 469, 483, 588, 603, 618, 644, 721, 804, 828, 882, 927, 938, 966, 1127, 1206, 1236, 1407, 1442, 1449, 1541, 1764, 1854, 1876, 1932, 2163, 2254, 2369, 2412, 2814, 2884, 2898, 3082, 3283, 3381, 3708, 4221, 4326, 4508, 4623, 4738, 5047, 5628, 5796, 6164, 6489, 6566, 6762, 6901, 7107, 8442, 8652, 9246, 9476, 9849, 10094, 10143, 10787, 12978, 13132, 13524, 13802, 13869, 14214, 15141, 16583, 16884, 18492, 19698, 20188, 20286, 20703, 21321, 21574, 25956, 27604, 27738, 28428, 29547, 30282, 32361, 33166, 39396, 40572, 41406, 42642, 43148, 45423, 48307, 49749, 55476, 59094, 60564, 62109, 64722, 66332, 75509, 82812, 85284, 90846, 96614, 97083, 99498, 116081, 118188, 124218, 129444, 144921, 149247, 151018, 158723, 181692, 193228, 194166, 198996, 226527, 232162, 248436, 289842, 298494, 302036, 317446, 338149, 348243, 388332, 434763, 453054, 464324, 476169, 579684, 596988, 634892, 676298, 679581, 696486, 869526, 906108, 952338, 1014447, 1044729, 1111061, 1352596, 1359162, 1392972, 1428507, 1739052, 1904676, 2028894, 2089458, 2222122, 2718324, 2857014, 3043341, 3333183, 4057788, 4178916, 4444244, 5714028, 6086682, 6666366, 7777427, 9999549, 12173364, 13332732, 15554854, 19999098, 23332281, 31109708, 39998196, 46664562, 69996843, 93329124, 139993686, 279987372]

約数ペア:

[(1, 279987372), (2, 139993686), (3, 93329124), (4, 69996843), (6, 46664562), (7, 39998196), (9, 31109708), (12, 23332281), (14, 19999098), (18, 15554854), (21, 13332732), (23, 12173364), (28, 9999549), (36, 7777427), (42, 6666366), (46, 6086682), (49, 5714028), (63, 4444244), (67, 4178916), (69, 4057788), (84, 3333183), (92, 3043341), (98, 2857014), (103, 2718324), (126, 2222122), (134, 2089458), (138, 2028894), (147, 1904676), (161, 1739052), (196, 1428507), (201, 1392972), (206, 1359162), (207, 1352596), (252, 1111061), (268, 1044729), (276, 1014447), (294, 952338), (309, 906108), (322, 869526), (402, 696486), (412, 679581), (414, 676298), (441, 634892), (469, 596988), (483, 579684), (588, 476169), (603, 464324), (618, 453054), (644, 434763), (721, 388332), (804, 348243), (828, 338149), (882, 317446), (927, 302036), (938, 298494), (966, 289842), (1127, 248436), (1206, 232162), (1236, 226527), (1407, 198996), (1442, 194166), (1449, 193228), (1541, 181692), (1764, 158723), (1854, 151018), (1876, 149247), (1932, 144921), (2163, 129444), (2254, 124218), (2369, 118188), (2412, 116081), (2814, 99498), (2884, 97083), (2898, 96614), (3082, 90846), (3283, 85284), (3381, 82812), (3708, 75509), (4221, 66332), (4326, 64722), (4508, 62109), (4623, 60564), (4738, 59094), (5047, 55476), (5628, 49749), (5796, 48307), (6164, 45423), (6489, 43148), (6566, 42642), (6762, 41406), (6901, 40572), (7107, 39396), (8442, 33166), (8652, 32361), (9246, 30282), (9476, 29547), (9849, 28428), (10094, 27738), (10143, 27604), (10787, 25956), (12978, 21574), (13132, 21321), (13524, 20703), (13802, 20286), (13869, 20188), (14214, 19698), (15141, 18492), (16583, 16884)]