259115920

素因数分解:

$2^4\times 5^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 200

約数和(自身を含む): 750219840

約数和(自身を除く): 491103920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 71, 76, 80, 95, 98, 112, 133, 140, 142, 152, 190, 196, 245, 266, 280, 284, 304, 343, 355, 380, 392, 490, 497, 532, 560, 568, 665, 686, 710, 760, 784, 931, 980, 994, 1064, 1136, 1330, 1349, 1372, 1420, 1520, 1715, 1862, 1960, 1988, 2128, 2401, 2485, 2660, 2698, 2744, 2840, 3430, 3479, 3724, 3920, 3976, 4655, 4802, 4970, 5320, 5396, 5488, 5680, 6517, 6745, 6860, 6958, 7448, 7952, 9310, 9443, 9604, 9940, 10640, 10792, 12005, 13034, 13490, 13720, 13916, 14896, 17395, 18620, 18886, 19208, 19880, 21584, 24010, 24353, 26068, 26980, 27440, 27832, 32585, 34790, 37240, 37772, 38416, 39760, 45619, 47215, 48020, 48706, 52136, 53960, 55664, 65170, 66101, 69580, 74480, 75544, 91238, 94430, 96040, 97412, 104272, 107920, 121765, 130340, 132202, 139160, 151088, 170471, 182476, 188860, 192080, 194824, 228095, 243530, 260680, 264404, 278320, 330505, 340942, 364952, 377720, 389648, 456190, 462707, 487060, 521360, 528808, 661010, 681884, 729904, 755440, 852355, 912380, 925414, 974120, 1057616, 1322020, 1363768, 1704710, 1824760, 1850828, 1948240, 2313535, 2644040, 2727536, 3238949, 3409420, 3649520, 3701656, 4627070, 5288080, 6477898, 6818840, 7403312, 9254140, 12955796, 13637680, 16194745, 18508280, 25911592, 32389490, 37016560, 51823184, 64778980, 129557960, 259115920]

約数ペア:

[(1, 259115920), (2, 129557960), (4, 64778980), (5, 51823184), (7, 37016560), (8, 32389490), (10, 25911592), (14, 18508280), (16, 16194745), (19, 13637680), (20, 12955796), (28, 9254140), (35, 7403312), (38, 6818840), (40, 6477898), (49, 5288080), (56, 4627070), (70, 3701656), (71, 3649520), (76, 3409420), (80, 3238949), (95, 2727536), (98, 2644040), (112, 2313535), (133, 1948240), (140, 1850828), (142, 1824760), (152, 1704710), (190, 1363768), (196, 1322020), (245, 1057616), (266, 974120), (280, 925414), (284, 912380), (304, 852355), (343, 755440), (355, 729904), (380, 681884), (392, 661010), (490, 528808), (497, 521360), (532, 487060), (560, 462707), (568, 456190), (665, 389648), (686, 377720), (710, 364952), (760, 340942), (784, 330505), (931, 278320), (980, 264404), (994, 260680), (1064, 243530), (1136, 228095), (1330, 194824), (1349, 192080), (1372, 188860), (1420, 182476), (1520, 170471), (1715, 151088), (1862, 139160), (1960, 132202), (1988, 130340), (2128, 121765), (2401, 107920), (2485, 104272), (2660, 97412), (2698, 96040), (2744, 94430), (2840, 91238), (3430, 75544), (3479, 74480), (3724, 69580), (3920, 66101), (3976, 65170), (4655, 55664), (4802, 53960), (4970, 52136), (5320, 48706), (5396, 48020), (5488, 47215), (5680, 45619), (6517, 39760), (6745, 38416), (6860, 37772), (6958, 37240), (7448, 34790), (7952, 32585), (9310, 27832), (9443, 27440), (9604, 26980), (9940, 26068), (10640, 24353), (10792, 24010), (12005, 21584), (13034, 19880), (13490, 19208), (13720, 18886), (13916, 18620), (14896, 17395)]