391144716

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^3\times {\mathrm{47}}^1$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 1111219200

約数和(自身を除く): 720074484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 47, 57, 69, 76, 92, 94, 114, 138, 141, 171, 188, 207, 228, 276, 282, 342, 414, 423, 437, 529, 564, 684, 828, 846, 874, 893, 1058, 1081, 1311, 1587, 1692, 1748, 1786, 2116, 2162, 2622, 2679, 3174, 3243, 3572, 3933, 4324, 4761, 5244, 5358, 6348, 6486, 7866, 8037, 9522, 9729, 10051, 10716, 12167, 12972, 15732, 16074, 19044, 19458, 20102, 20539, 24334, 24863, 30153, 32148, 36501, 38916, 40204, 41078, 48668, 49726, 60306, 61617, 73002, 74589, 82156, 90459, 99452, 109503, 120612, 123234, 146004, 149178, 180918, 184851, 219006, 223767, 231173, 246468, 298356, 361836, 369702, 438012, 447534, 462346, 472397, 571849, 693519, 739404, 895068, 924692, 944794, 1143698, 1387038, 1417191, 1715547, 1889588, 2080557, 2287396, 2774076, 2834382, 3431094, 4161114, 4251573, 5146641, 5668764, 6862188, 8322228, 8503146, 10293282, 10865131, 17006292, 20586564, 21730262, 32595393, 43460524, 65190786, 97786179, 130381572, 195572358, 391144716]

約数ペア:

[(1, 391144716), (2, 195572358), (3, 130381572), (4, 97786179), (6, 65190786), (9, 43460524), (12, 32595393), (18, 21730262), (19, 20586564), (23, 17006292), (36, 10865131), (38, 10293282), (46, 8503146), (47, 8322228), (57, 6862188), (69, 5668764), (76, 5146641), (92, 4251573), (94, 4161114), (114, 3431094), (138, 2834382), (141, 2774076), (171, 2287396), (188, 2080557), (207, 1889588), (228, 1715547), (276, 1417191), (282, 1387038), (342, 1143698), (414, 944794), (423, 924692), (437, 895068), (529, 739404), (564, 693519), (684, 571849), (828, 472397), (846, 462346), (874, 447534), (893, 438012), (1058, 369702), (1081, 361836), (1311, 298356), (1587, 246468), (1692, 231173), (1748, 223767), (1786, 219006), (2116, 184851), (2162, 180918), (2622, 149178), (2679, 146004), (3174, 123234), (3243, 120612), (3572, 109503), (3933, 99452), (4324, 90459), (4761, 82156), (5244, 74589), (5358, 73002), (6348, 61617), (6486, 60306), (7866, 49726), (8037, 48668), (9522, 41078), (9729, 40204), (10051, 38916), (10716, 36501), (12167, 32148), (12972, 30153), (15732, 24863), (16074, 24334), (19044, 20539), (19458, 20102)]