212397640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:156

約数の個数: 256

約数和(自身を含む): 638668800

約数和(自身を除く): 426271160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 43, 46, 52, 56, 59, 65, 70, 86, 91, 92, 104, 115, 118, 130, 140, 161, 172, 182, 184, 215, 230, 236, 260, 280, 295, 299, 301, 322, 344, 364, 413, 430, 455, 460, 472, 520, 559, 590, 598, 602, 644, 728, 767, 805, 826, 860, 910, 920, 989, 1118, 1180, 1196, 1204, 1288, 1357, 1495, 1505, 1534, 1610, 1652, 1720, 1820, 1978, 2065, 2093, 2236, 2360, 2392, 2408, 2537, 2714, 2795, 2990, 3010, 3068, 3220, 3304, 3640, 3835, 3913, 3956, 4130, 4186, 4472, 4945, 5074, 5369, 5428, 5590, 5980, 6020, 6136, 6440, 6785, 6923, 7670, 7826, 7912, 8260, 8372, 9499, 9890, 10148, 10465, 10738, 10856, 11180, 11960, 12040, 12685, 12857, 13570, 13846, 15340, 15652, 16520, 16744, 17641, 17759, 18998, 19565, 19780, 20296, 20930, 21476, 22360, 25370, 25714, 26845, 27140, 27692, 30680, 31304, 32981, 34615, 35282, 35518, 37996, 39130, 39560, 41860, 42952, 47495, 50740, 51428, 53690, 54280, 55384, 58351, 64285, 65962, 69230, 70564, 71036, 75992, 78260, 83720, 88205, 88795, 89999, 94990, 101480, 102856, 107380, 116702, 123487, 128570, 131924, 138460, 141128, 142072, 156520, 164905, 176410, 177590, 179998, 189980, 214760, 230867, 233404, 246974, 257140, 263848, 276920, 291755, 329810, 352820, 355180, 359996, 379960, 408457, 449995, 461734, 466808, 493948, 514280, 583510, 617435, 659620, 705640, 710360, 719992, 758563, 816914, 899990, 923468, 987896, 1154335, 1167020, 1234870, 1319240, 1517126, 1633828, 1799980, 1846936, 2042285, 2308670, 2334040, 2469740, 3034252, 3267656, 3599960, 3792815, 4084570, 4617340, 4939480, 5309941, 6068504, 7585630, 8169140, 9234680, 10619882, 15171260, 16338280, 21239764, 26549705, 30342520, 42479528, 53099410, 106198820, 212397640]

約数ペア:

[(1, 212397640), (2, 106198820), (4, 53099410), (5, 42479528), (7, 30342520), (8, 26549705), (10, 21239764), (13, 16338280), (14, 15171260), (20, 10619882), (23, 9234680), (26, 8169140), (28, 7585630), (35, 6068504), (40, 5309941), (43, 4939480), (46, 4617340), (52, 4084570), (56, 3792815), (59, 3599960), (65, 3267656), (70, 3034252), (86, 2469740), (91, 2334040), (92, 2308670), (104, 2042285), (115, 1846936), (118, 1799980), (130, 1633828), (140, 1517126), (161, 1319240), (172, 1234870), (182, 1167020), (184, 1154335), (215, 987896), (230, 923468), (236, 899990), (260, 816914), (280, 758563), (295, 719992), (299, 710360), (301, 705640), (322, 659620), (344, 617435), (364, 583510), (413, 514280), (430, 493948), (455, 466808), (460, 461734), (472, 449995), (520, 408457), (559, 379960), (590, 359996), (598, 355180), (602, 352820), (644, 329810), (728, 291755), (767, 276920), (805, 263848), (826, 257140), (860, 246974), (910, 233404), (920, 230867), (989, 214760), (1118, 189980), (1180, 179998), (1196, 177590), (1204, 176410), (1288, 164905), (1357, 156520), (1495, 142072), (1505, 141128), (1534, 138460), (1610, 131924), (1652, 128570), (1720, 123487), (1820, 116702), (1978, 107380), (2065, 102856), (2093, 101480), (2236, 94990), (2360, 89999), (2392, 88795), (2408, 88205), (2537, 83720), (2714, 78260), (2795, 75992), (2990, 71036), (3010, 70564), (3068, 69230), (3220, 65962), (3304, 64285), (3640, 58351), (3835, 55384), (3913, 54280), (3956, 53690), (4130, 51428), (4186, 50740), (4472, 47495), (4945, 42952), (5074, 41860), (5369, 39560), (5428, 39130), (5590, 37996), (5980, 35518), (6020, 35282), (6136, 34615), (6440, 32981), (6785, 31304), (6923, 30680), (7670, 27692), (7826, 27140), (7912, 26845), (8260, 25714), (8372, 25370), (9499, 22360), (9890, 21476), (10148, 20930), (10465, 20296), (10738, 19780), (10856, 19565), (11180, 18998), (11960, 17759), (12040, 17641), (12685, 16744), (12857, 16520), (13570, 15652), (13846, 15340)]