420252976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:315

約数の個数: 120

約数和(自身を含む): 980294400

約数和(自身を除く): 560041424

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 71, 88, 104, 142, 143, 169, 176, 199, 208, 284, 286, 338, 398, 568, 572, 676, 781, 796, 923, 1136, 1144, 1352, 1562, 1592, 1846, 1859, 2189, 2288, 2587, 2704, 3124, 3184, 3692, 3718, 4378, 5174, 6248, 7384, 7436, 8756, 10153, 10348, 11999, 12496, 14129, 14768, 14872, 17512, 20306, 20696, 23998, 28258, 28457, 29744, 33631, 35024, 40612, 41392, 47996, 56516, 56914, 67262, 81224, 95992, 113032, 113828, 131989, 134524, 155419, 162448, 183677, 191984, 226064, 227656, 263978, 269048, 310838, 367354, 369941, 455312, 527956, 538096, 621676, 734708, 739882, 1055912, 1243352, 1469416, 1479764, 2020447, 2111824, 2387801, 2486704, 2938832, 2959528, 4040894, 4775602, 5919056, 8081788, 9551204, 16163576, 19102408, 26265811, 32327152, 38204816, 52531622, 105063244, 210126488, 420252976]

約数ペア:

[(1, 420252976), (2, 210126488), (4, 105063244), (8, 52531622), (11, 38204816), (13, 32327152), (16, 26265811), (22, 19102408), (26, 16163576), (44, 9551204), (52, 8081788), (71, 5919056), (88, 4775602), (104, 4040894), (142, 2959528), (143, 2938832), (169, 2486704), (176, 2387801), (199, 2111824), (208, 2020447), (284, 1479764), (286, 1469416), (338, 1243352), (398, 1055912), (568, 739882), (572, 734708), (676, 621676), (781, 538096), (796, 527956), (923, 455312), (1136, 369941), (1144, 367354), (1352, 310838), (1562, 269048), (1592, 263978), (1846, 227656), (1859, 226064), (2189, 191984), (2288, 183677), (2587, 162448), (2704, 155419), (3124, 134524), (3184, 131989), (3692, 113828), (3718, 113032), (4378, 95992), (5174, 81224), (6248, 67262), (7384, 56914), (7436, 56516), (8756, 47996), (10153, 41392), (10348, 40612), (11999, 35024), (12496, 33631), (14129, 29744), (14768, 28457), (14872, 28258), (17512, 23998), (20306, 20696)]