249731440

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:532

約数の個数: 160

約数和(自身を含む): 714240000

約数和(自身を除く): 464508560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 343, 380, 392, 479, 490, 532, 560, 665, 686, 760, 784, 931, 958, 980, 1064, 1330, 1372, 1520, 1715, 1862, 1916, 1960, 2128, 2395, 2660, 2744, 3353, 3430, 3724, 3832, 3920, 4655, 4790, 5320, 5488, 6517, 6706, 6860, 7448, 7664, 9101, 9310, 9580, 10640, 13034, 13412, 13720, 14896, 16765, 18202, 18620, 19160, 23471, 26068, 26824, 27440, 32585, 33530, 36404, 37240, 38320, 45505, 46942, 52136, 53648, 63707, 65170, 67060, 72808, 74480, 91010, 93884, 104272, 117355, 127414, 130340, 134120, 145616, 164297, 182020, 187768, 234710, 254828, 260680, 268240, 318535, 328594, 364040, 375536, 445949, 469420, 509656, 521360, 637070, 657188, 728080, 821485, 891898, 938840, 1019312, 1274140, 1314376, 1642970, 1783796, 1877680, 2229745, 2548280, 2628752, 3121643, 3285940, 3567592, 4459490, 5096560, 6243286, 6571880, 7135184, 8918980, 12486572, 13143760, 15608215, 17837960, 24973144, 31216430, 35675920, 49946288, 62432860, 124865720, 249731440]

約数ペア:

[(1, 249731440), (2, 124865720), (4, 62432860), (5, 49946288), (7, 35675920), (8, 31216430), (10, 24973144), (14, 17837960), (16, 15608215), (19, 13143760), (20, 12486572), (28, 8918980), (35, 7135184), (38, 6571880), (40, 6243286), (49, 5096560), (56, 4459490), (70, 3567592), (76, 3285940), (80, 3121643), (95, 2628752), (98, 2548280), (112, 2229745), (133, 1877680), (140, 1783796), (152, 1642970), (190, 1314376), (196, 1274140), (245, 1019312), (266, 938840), (280, 891898), (304, 821485), (343, 728080), (380, 657188), (392, 637070), (479, 521360), (490, 509656), (532, 469420), (560, 445949), (665, 375536), (686, 364040), (760, 328594), (784, 318535), (931, 268240), (958, 260680), (980, 254828), (1064, 234710), (1330, 187768), (1372, 182020), (1520, 164297), (1715, 145616), (1862, 134120), (1916, 130340), (1960, 127414), (2128, 117355), (2395, 104272), (2660, 93884), (2744, 91010), (3353, 74480), (3430, 72808), (3724, 67060), (3832, 65170), (3920, 63707), (4655, 53648), (4790, 52136), (5320, 46942), (5488, 45505), (6517, 38320), (6706, 37240), (6860, 36404), (7448, 33530), (7664, 32585), (9101, 27440), (9310, 26824), (9580, 26068), (10640, 23471), (13034, 19160), (13412, 18620), (13720, 18202), (14896, 16765)]