254393440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:501

約数の個数: 192

約数和(自身を含む): 752467968

約数和(自身を除く): 498074528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 68, 70, 80, 85, 112, 119, 124, 136, 140, 155, 160, 170, 217, 224, 238, 248, 272, 280, 310, 340, 431, 434, 476, 496, 527, 544, 560, 595, 620, 680, 862, 868, 952, 992, 1054, 1085, 1120, 1190, 1240, 1360, 1724, 1736, 1904, 2108, 2155, 2170, 2380, 2480, 2635, 2720, 3017, 3448, 3472, 3689, 3808, 4216, 4310, 4340, 4760, 4960, 5270, 6034, 6896, 6944, 7327, 7378, 8432, 8620, 8680, 9520, 10540, 12068, 13361, 13792, 14654, 14756, 15085, 16864, 17240, 17360, 18445, 19040, 21080, 24136, 26722, 29308, 29512, 30170, 34480, 34720, 36635, 36890, 42160, 48272, 51289, 53444, 58616, 59024, 60340, 66805, 68960, 73270, 73780, 84320, 93527, 96544, 102578, 106888, 117232, 118048, 120680, 133610, 146540, 147560, 187054, 205156, 213776, 227137, 234464, 241360, 256445, 267220, 293080, 295120, 374108, 410312, 427552, 454274, 467635, 482720, 512890, 534440, 586160, 590240, 748216, 820624, 908548, 935270, 1025780, 1068880, 1135685, 1172320, 1496432, 1589959, 1641248, 1817096, 1870540, 2051560, 2137760, 2271370, 2992864, 3179918, 3634192, 3741080, 4103120, 4542740, 6359836, 7268384, 7482160, 7949795, 8206240, 9085480, 12719672, 14964320, 15899590, 18170960, 25439344, 31799180, 36341920, 50878688, 63598360, 127196720, 254393440]

約数ペア:

[(1, 254393440), (2, 127196720), (4, 63598360), (5, 50878688), (7, 36341920), (8, 31799180), (10, 25439344), (14, 18170960), (16, 15899590), (17, 14964320), (20, 12719672), (28, 9085480), (31, 8206240), (32, 7949795), (34, 7482160), (35, 7268384), (40, 6359836), (56, 4542740), (62, 4103120), (68, 3741080), (70, 3634192), (80, 3179918), (85, 2992864), (112, 2271370), (119, 2137760), (124, 2051560), (136, 1870540), (140, 1817096), (155, 1641248), (160, 1589959), (170, 1496432), (217, 1172320), (224, 1135685), (238, 1068880), (248, 1025780), (272, 935270), (280, 908548), (310, 820624), (340, 748216), (431, 590240), (434, 586160), (476, 534440), (496, 512890), (527, 482720), (544, 467635), (560, 454274), (595, 427552), (620, 410312), (680, 374108), (862, 295120), (868, 293080), (952, 267220), (992, 256445), (1054, 241360), (1085, 234464), (1120, 227137), (1190, 213776), (1240, 205156), (1360, 187054), (1724, 147560), (1736, 146540), (1904, 133610), (2108, 120680), (2155, 118048), (2170, 117232), (2380, 106888), (2480, 102578), (2635, 96544), (2720, 93527), (3017, 84320), (3448, 73780), (3472, 73270), (3689, 68960), (3808, 66805), (4216, 60340), (4310, 59024), (4340, 58616), (4760, 53444), (4960, 51289), (5270, 48272), (6034, 42160), (6896, 36890), (6944, 36635), (7327, 34720), (7378, 34480), (8432, 30170), (8620, 29512), (8680, 29308), (9520, 26722), (10540, 24136), (12068, 21080), (13361, 19040), (13792, 18445), (14654, 17360), (14756, 17240), (15085, 16864)]