212679280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:335

約数の個数: 120

約数和(自身を含む): 550964736

約数和(自身を除く): 338285456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 127, 173, 176, 220, 242, 254, 346, 440, 484, 508, 605, 635, 692, 865, 880, 968, 1016, 1210, 1270, 1384, 1397, 1730, 1903, 1936, 2032, 2420, 2540, 2768, 2794, 3460, 3806, 4840, 5080, 5588, 6920, 6985, 7612, 9515, 9680, 10160, 11176, 13840, 13970, 15224, 15367, 19030, 20933, 21971, 22352, 27940, 30448, 30734, 38060, 41866, 43942, 55880, 61468, 76120, 76835, 83732, 87884, 104665, 109855, 111760, 122936, 152240, 153670, 167464, 175768, 209330, 219710, 241681, 245872, 307340, 334928, 351536, 418660, 439420, 483362, 614680, 837320, 878840, 966724, 1208405, 1229360, 1674640, 1757680, 1933448, 2416810, 2658491, 3866896, 4833620, 5316982, 9667240, 10633964, 13292455, 19334480, 21267928, 26584910, 42535856, 53169820, 106339640, 212679280]

約数ペア:

[(1, 212679280), (2, 106339640), (4, 53169820), (5, 42535856), (8, 26584910), (10, 21267928), (11, 19334480), (16, 13292455), (20, 10633964), (22, 9667240), (40, 5316982), (44, 4833620), (55, 3866896), (80, 2658491), (88, 2416810), (110, 1933448), (121, 1757680), (127, 1674640), (173, 1229360), (176, 1208405), (220, 966724), (242, 878840), (254, 837320), (346, 614680), (440, 483362), (484, 439420), (508, 418660), (605, 351536), (635, 334928), (692, 307340), (865, 245872), (880, 241681), (968, 219710), (1016, 209330), (1210, 175768), (1270, 167464), (1384, 153670), (1397, 152240), (1730, 122936), (1903, 111760), (1936, 109855), (2032, 104665), (2420, 87884), (2540, 83732), (2768, 76835), (2794, 76120), (3460, 61468), (3806, 55880), (4840, 43942), (5080, 41866), (5588, 38060), (6920, 30734), (6985, 30448), (7612, 27940), (9515, 22352), (9680, 21971), (10160, 20933), (11176, 19030), (13840, 15367), (13970, 15224)]