251348240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:337

約数の個数: 160

約数和(自身を含む): 695955456

約数和(自身を除く): 444607216

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 127, 130, 143, 173, 176, 208, 220, 254, 260, 286, 346, 440, 508, 520, 572, 635, 692, 715, 865, 880, 1016, 1040, 1144, 1270, 1384, 1397, 1430, 1651, 1730, 1903, 2032, 2249, 2288, 2540, 2768, 2794, 2860, 3302, 3460, 3806, 4498, 5080, 5588, 5720, 6604, 6920, 6985, 7612, 8255, 8996, 9515, 10160, 11176, 11245, 11440, 13208, 13840, 13970, 15224, 16510, 17992, 18161, 19030, 21971, 22352, 22490, 24739, 26416, 27940, 30448, 33020, 35984, 36322, 38060, 43942, 44980, 49478, 55880, 66040, 72644, 76120, 87884, 89960, 90805, 98956, 109855, 111760, 123695, 132080, 145288, 152240, 175768, 179920, 181610, 197912, 219710, 241681, 247390, 285623, 290576, 351536, 363220, 395824, 439420, 483362, 494780, 571246, 726440, 878840, 966724, 989560, 1142492, 1208405, 1428115, 1452880, 1757680, 1933448, 1979120, 2284984, 2416810, 2856230, 3141853, 3866896, 4569968, 4833620, 5712460, 6283706, 9667240, 11424920, 12567412, 15709265, 19334480, 22849840, 25134824, 31418530, 50269648, 62837060, 125674120, 251348240]

約数ペア:

[(1, 251348240), (2, 125674120), (4, 62837060), (5, 50269648), (8, 31418530), (10, 25134824), (11, 22849840), (13, 19334480), (16, 15709265), (20, 12567412), (22, 11424920), (26, 9667240), (40, 6283706), (44, 5712460), (52, 4833620), (55, 4569968), (65, 3866896), (80, 3141853), (88, 2856230), (104, 2416810), (110, 2284984), (127, 1979120), (130, 1933448), (143, 1757680), (173, 1452880), (176, 1428115), (208, 1208405), (220, 1142492), (254, 989560), (260, 966724), (286, 878840), (346, 726440), (440, 571246), (508, 494780), (520, 483362), (572, 439420), (635, 395824), (692, 363220), (715, 351536), (865, 290576), (880, 285623), (1016, 247390), (1040, 241681), (1144, 219710), (1270, 197912), (1384, 181610), (1397, 179920), (1430, 175768), (1651, 152240), (1730, 145288), (1903, 132080), (2032, 123695), (2249, 111760), (2288, 109855), (2540, 98956), (2768, 90805), (2794, 89960), (2860, 87884), (3302, 76120), (3460, 72644), (3806, 66040), (4498, 55880), (5080, 49478), (5588, 44980), (5720, 43942), (6604, 38060), (6920, 36322), (6985, 35984), (7612, 33020), (8255, 30448), (8996, 27940), (9515, 26416), (10160, 24739), (11176, 22490), (11245, 22352), (11440, 21971), (13208, 19030), (13840, 18161), (13970, 17992), (15224, 16510)]