388248660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:595

約数の個数: 192

約数和(自身を含む): 1290240000

約数和(自身を除く): 901991340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 79, 90, 95, 108, 114, 135, 158, 171, 180, 190, 228, 237, 270, 285, 316, 342, 380, 395, 474, 479, 513, 540, 570, 684, 711, 790, 855, 948, 958, 1026, 1140, 1185, 1422, 1437, 1501, 1580, 1710, 1916, 2052, 2133, 2370, 2395, 2565, 2844, 2874, 3002, 3420, 3555, 4266, 4311, 4503, 4740, 4790, 5130, 5748, 6004, 7110, 7185, 7505, 8532, 8622, 9006, 9101, 9580, 10260, 10665, 12933, 13509, 14220, 14370, 15010, 17244, 18012, 18202, 21330, 21555, 22515, 25866, 27018, 27303, 28740, 30020, 36404, 37841, 40527, 42660, 43110, 45030, 45505, 51732, 54036, 54606, 64665, 67545, 75682, 81054, 81909, 86220, 90060, 91010, 109212, 113523, 129330, 135090, 136515, 151364, 162108, 163818, 182020, 189205, 202635, 227046, 245727, 258660, 270180, 273030, 327636, 340569, 378410, 405270, 409545, 454092, 491454, 546060, 567615, 681138, 718979, 756820, 810540, 819090, 982908, 1021707, 1135230, 1228635, 1362276, 1437958, 1638180, 1702845, 2043414, 2156937, 2270460, 2457270, 2875916, 3405690, 3594895, 4086828, 4313874, 4914540, 5108535, 6470811, 6811380, 7189790, 8627748, 10217070, 10784685, 12941622, 14379580, 19412433, 20434140, 21569370, 25883244, 32354055, 38824866, 43138740, 64708110, 77649732, 97062165, 129416220, 194124330, 388248660]

約数ペア:

[(1, 388248660), (2, 194124330), (3, 129416220), (4, 97062165), (5, 77649732), (6, 64708110), (9, 43138740), (10, 38824866), (12, 32354055), (15, 25883244), (18, 21569370), (19, 20434140), (20, 19412433), (27, 14379580), (30, 12941622), (36, 10784685), (38, 10217070), (45, 8627748), (54, 7189790), (57, 6811380), (60, 6470811), (76, 5108535), (79, 4914540), (90, 4313874), (95, 4086828), (108, 3594895), (114, 3405690), (135, 2875916), (158, 2457270), (171, 2270460), (180, 2156937), (190, 2043414), (228, 1702845), (237, 1638180), (270, 1437958), (285, 1362276), (316, 1228635), (342, 1135230), (380, 1021707), (395, 982908), (474, 819090), (479, 810540), (513, 756820), (540, 718979), (570, 681138), (684, 567615), (711, 546060), (790, 491454), (855, 454092), (948, 409545), (958, 405270), (1026, 378410), (1140, 340569), (1185, 327636), (1422, 273030), (1437, 270180), (1501, 258660), (1580, 245727), (1710, 227046), (1916, 202635), (2052, 189205), (2133, 182020), (2370, 163818), (2395, 162108), (2565, 151364), (2844, 136515), (2874, 135090), (3002, 129330), (3420, 113523), (3555, 109212), (4266, 91010), (4311, 90060), (4503, 86220), (4740, 81909), (4790, 81054), (5130, 75682), (5748, 67545), (6004, 64665), (7110, 54606), (7185, 54036), (7505, 51732), (8532, 45505), (8622, 45030), (9006, 43110), (9101, 42660), (9580, 40527), (10260, 37841), (10665, 36404), (12933, 30020), (13509, 28740), (14220, 27303), (14370, 27018), (15010, 25866), (17244, 22515), (18012, 21555), (18202, 21330)]