438703720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 192

約数和(自身を含む): 1248030720

約数和(自身を除く): 809327000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 91, 104, 127, 130, 140, 146, 169, 182, 254, 260, 280, 292, 338, 364, 365, 455, 508, 511, 520, 584, 635, 676, 728, 730, 845, 889, 910, 949, 1016, 1022, 1183, 1270, 1352, 1460, 1651, 1690, 1778, 1820, 1898, 2044, 2366, 2540, 2555, 2920, 3302, 3380, 3556, 3640, 3796, 4088, 4445, 4732, 4745, 5080, 5110, 5915, 6604, 6643, 6760, 7112, 7592, 8255, 8890, 9271, 9464, 9490, 10220, 11557, 11830, 12337, 13208, 13286, 16510, 17780, 18542, 18980, 20440, 21463, 23114, 23660, 24674, 26572, 33020, 33215, 35560, 37084, 37960, 42926, 46228, 46355, 47320, 49348, 53144, 57785, 61685, 64897, 66040, 66430, 74168, 85852, 86359, 92456, 92710, 98696, 107315, 115570, 120523, 123370, 129794, 132860, 150241, 171704, 172718, 185420, 214630, 231140, 241046, 246740, 259588, 265720, 300482, 324485, 345436, 370840, 429260, 431795, 462280, 482092, 493480, 519176, 600964, 602615, 648970, 690872, 751205, 843661, 858520, 863590, 964184, 1201928, 1205230, 1297940, 1502410, 1566799, 1687322, 1727180, 2410460, 2595880, 3004820, 3133598, 3374644, 3454360, 4218305, 4820920, 6009640, 6267196, 6749288, 7833995, 8436610, 10967593, 12534392, 15667990, 16873220, 21935186, 31335980, 33746440, 43870372, 54837965, 62671960, 87740744, 109675930, 219351860, 438703720]

約数ペア:

[(1, 438703720), (2, 219351860), (4, 109675930), (5, 87740744), (7, 62671960), (8, 54837965), (10, 43870372), (13, 33746440), (14, 31335980), (20, 21935186), (26, 16873220), (28, 15667990), (35, 12534392), (40, 10967593), (52, 8436610), (56, 7833995), (65, 6749288), (70, 6267196), (73, 6009640), (91, 4820920), (104, 4218305), (127, 3454360), (130, 3374644), (140, 3133598), (146, 3004820), (169, 2595880), (182, 2410460), (254, 1727180), (260, 1687322), (280, 1566799), (292, 1502410), (338, 1297940), (364, 1205230), (365, 1201928), (455, 964184), (508, 863590), (511, 858520), (520, 843661), (584, 751205), (635, 690872), (676, 648970), (728, 602615), (730, 600964), (845, 519176), (889, 493480), (910, 482092), (949, 462280), (1016, 431795), (1022, 429260), (1183, 370840), (1270, 345436), (1352, 324485), (1460, 300482), (1651, 265720), (1690, 259588), (1778, 246740), (1820, 241046), (1898, 231140), (2044, 214630), (2366, 185420), (2540, 172718), (2555, 171704), (2920, 150241), (3302, 132860), (3380, 129794), (3556, 123370), (3640, 120523), (3796, 115570), (4088, 107315), (4445, 98696), (4732, 92710), (4745, 92456), (5080, 86359), (5110, 85852), (5915, 74168), (6604, 66430), (6643, 66040), (6760, 64897), (7112, 61685), (7592, 57785), (8255, 53144), (8890, 49348), (9271, 47320), (9464, 46355), (9490, 46228), (10220, 42926), (11557, 37960), (11830, 37084), (12337, 35560), (13208, 33215), (13286, 33020), (16510, 26572), (17780, 24674), (18542, 23660), (18980, 23114), (20440, 21463)]