289205840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:410

約数の個数: 240

約数和(自身を含む): 900745920

約数和(自身を除く): 611540080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 49, 55, 56, 70, 76, 77, 80, 88, 95, 98, 110, 112, 133, 140, 152, 154, 176, 190, 196, 209, 220, 245, 266, 280, 304, 308, 353, 380, 385, 392, 418, 440, 490, 532, 539, 560, 616, 665, 706, 760, 770, 784, 836, 880, 931, 980, 1045, 1064, 1078, 1232, 1330, 1412, 1463, 1520, 1540, 1672, 1765, 1862, 1960, 2090, 2128, 2156, 2471, 2660, 2695, 2824, 2926, 3080, 3344, 3530, 3724, 3883, 3920, 4180, 4312, 4655, 4942, 5320, 5390, 5648, 5852, 6160, 6707, 7060, 7315, 7448, 7766, 8360, 8624, 9310, 9884, 10241, 10640, 10780, 11704, 12355, 13414, 14120, 14630, 14896, 15532, 16720, 17297, 18620, 19415, 19768, 20482, 21560, 23408, 24710, 26828, 27181, 28240, 29260, 31064, 33535, 34594, 37240, 38830, 39536, 40964, 43120, 46949, 49420, 51205, 53656, 54362, 58520, 62128, 67070, 69188, 73777, 74480, 77660, 81928, 86485, 93898, 98840, 102410, 107312, 108724, 117040, 134140, 135905, 138376, 147554, 155320, 163856, 172970, 187796, 190267, 197680, 204820, 217448, 234745, 268280, 271810, 276752, 295108, 310640, 328643, 345940, 368885, 375592, 380534, 409640, 434896, 469490, 516439, 536560, 543620, 590216, 657286, 691880, 737770, 751184, 761068, 819280, 938980, 951335, 1032878, 1087240, 1180432, 1314572, 1383760, 1475540, 1522136, 1643215, 1877960, 1902670, 2065756, 2174480, 2582195, 2629144, 2951080, 3044272, 3286430, 3615073, 3755920, 3805340, 4131512, 5164390, 5258288, 5902160, 6572860, 7230146, 7610680, 8263024, 10328780, 13145720, 14460292, 15221360, 18075365, 20657560, 26291440, 28920584, 36150730, 41315120, 57841168, 72301460, 144602920, 289205840]

約数ペア:

[(1, 289205840), (2, 144602920), (4, 72301460), (5, 57841168), (7, 41315120), (8, 36150730), (10, 28920584), (11, 26291440), (14, 20657560), (16, 18075365), (19, 15221360), (20, 14460292), (22, 13145720), (28, 10328780), (35, 8263024), (38, 7610680), (40, 7230146), (44, 6572860), (49, 5902160), (55, 5258288), (56, 5164390), (70, 4131512), (76, 3805340), (77, 3755920), (80, 3615073), (88, 3286430), (95, 3044272), (98, 2951080), (110, 2629144), (112, 2582195), (133, 2174480), (140, 2065756), (152, 1902670), (154, 1877960), (176, 1643215), (190, 1522136), (196, 1475540), (209, 1383760), (220, 1314572), (245, 1180432), (266, 1087240), (280, 1032878), (304, 951335), (308, 938980), (353, 819280), (380, 761068), (385, 751184), (392, 737770), (418, 691880), (440, 657286), (490, 590216), (532, 543620), (539, 536560), (560, 516439), (616, 469490), (665, 434896), (706, 409640), (760, 380534), (770, 375592), (784, 368885), (836, 345940), (880, 328643), (931, 310640), (980, 295108), (1045, 276752), (1064, 271810), (1078, 268280), (1232, 234745), (1330, 217448), (1412, 204820), (1463, 197680), (1520, 190267), (1540, 187796), (1672, 172970), (1765, 163856), (1862, 155320), (1960, 147554), (2090, 138376), (2128, 135905), (2156, 134140), (2471, 117040), (2660, 108724), (2695, 107312), (2824, 102410), (2926, 98840), (3080, 93898), (3344, 86485), (3530, 81928), (3724, 77660), (3883, 74480), (3920, 73777), (4180, 69188), (4312, 67070), (4655, 62128), (4942, 58520), (5320, 54362), (5390, 53656), (5648, 51205), (5852, 49420), (6160, 46949), (6707, 43120), (7060, 40964), (7315, 39536), (7448, 38830), (7766, 37240), (8360, 34594), (8624, 33535), (9310, 31064), (9884, 29260), (10241, 28240), (10640, 27181), (10780, 26828), (11704, 24710), (12355, 23408), (13414, 21560), (14120, 20482), (14630, 19768), (14896, 19415), (15532, 18620), (16720, 17297)]