197877680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:404

約数の個数: 240

約数和(自身を含む): 630522144

約数和(自身を除く): 432644464

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 49, 52, 55, 56, 65, 70, 77, 80, 88, 91, 98, 104, 110, 112, 130, 140, 143, 154, 176, 182, 196, 208, 220, 245, 260, 280, 286, 308, 353, 364, 385, 392, 440, 455, 490, 520, 539, 560, 572, 616, 637, 706, 715, 728, 770, 784, 880, 910, 980, 1001, 1040, 1078, 1144, 1232, 1274, 1412, 1430, 1456, 1540, 1765, 1820, 1960, 2002, 2156, 2288, 2471, 2548, 2695, 2824, 2860, 3080, 3185, 3530, 3640, 3883, 3920, 4004, 4312, 4589, 4942, 5005, 5096, 5390, 5648, 5720, 6160, 6370, 7007, 7060, 7280, 7766, 8008, 8624, 9178, 9884, 10010, 10192, 10780, 11440, 12355, 12740, 14014, 14120, 15532, 16016, 17297, 18356, 19415, 19768, 20020, 21560, 22945, 24710, 25480, 27181, 28028, 28240, 31064, 32123, 34594, 35035, 36712, 38830, 39536, 40040, 43120, 45890, 49420, 50479, 50960, 54362, 56056, 62128, 64246, 69188, 70070, 73424, 77660, 80080, 86485, 91780, 98840, 100958, 108724, 112112, 128492, 135905, 138376, 140140, 155320, 160615, 172970, 183560, 190267, 197680, 201916, 217448, 224861, 252395, 256984, 271810, 276752, 280280, 310640, 321230, 345940, 353353, 367120, 380534, 403832, 434896, 449722, 504790, 513968, 543620, 560560, 642460, 691880, 706706, 761068, 807664, 899444, 951335, 1009580, 1087240, 1124305, 1284920, 1383760, 1413412, 1522136, 1766765, 1798888, 1902670, 2019160, 2174480, 2248610, 2473471, 2569840, 2826824, 3044272, 3533530, 3597776, 3805340, 4038320, 4497220, 4946942, 5653648, 7067060, 7610680, 8994440, 9893884, 12367355, 14134120, 15221360, 17988880, 19787768, 24734710, 28268240, 39575536, 49469420, 98938840, 197877680]

約数ペア:

[(1, 197877680), (2, 98938840), (4, 49469420), (5, 39575536), (7, 28268240), (8, 24734710), (10, 19787768), (11, 17988880), (13, 15221360), (14, 14134120), (16, 12367355), (20, 9893884), (22, 8994440), (26, 7610680), (28, 7067060), (35, 5653648), (40, 4946942), (44, 4497220), (49, 4038320), (52, 3805340), (55, 3597776), (56, 3533530), (65, 3044272), (70, 2826824), (77, 2569840), (80, 2473471), (88, 2248610), (91, 2174480), (98, 2019160), (104, 1902670), (110, 1798888), (112, 1766765), (130, 1522136), (140, 1413412), (143, 1383760), (154, 1284920), (176, 1124305), (182, 1087240), (196, 1009580), (208, 951335), (220, 899444), (245, 807664), (260, 761068), (280, 706706), (286, 691880), (308, 642460), (353, 560560), (364, 543620), (385, 513968), (392, 504790), (440, 449722), (455, 434896), (490, 403832), (520, 380534), (539, 367120), (560, 353353), (572, 345940), (616, 321230), (637, 310640), (706, 280280), (715, 276752), (728, 271810), (770, 256984), (784, 252395), (880, 224861), (910, 217448), (980, 201916), (1001, 197680), (1040, 190267), (1078, 183560), (1144, 172970), (1232, 160615), (1274, 155320), (1412, 140140), (1430, 138376), (1456, 135905), (1540, 128492), (1765, 112112), (1820, 108724), (1960, 100958), (2002, 98840), (2156, 91780), (2288, 86485), (2471, 80080), (2548, 77660), (2695, 73424), (2824, 70070), (2860, 69188), (3080, 64246), (3185, 62128), (3530, 56056), (3640, 54362), (3883, 50960), (3920, 50479), (4004, 49420), (4312, 45890), (4589, 43120), (4942, 40040), (5005, 39536), (5096, 38830), (5390, 36712), (5648, 35035), (5720, 34594), (6160, 32123), (6370, 31064), (7007, 28240), (7060, 28028), (7280, 27181), (7766, 25480), (8008, 24710), (8624, 22945), (9178, 21560), (9884, 20020), (10010, 19768), (10192, 19415), (10780, 18356), (11440, 17297), (12355, 16016), (12740, 15532), (14014, 14120)]