1998187520

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:598

約数の個数: 176

約数和(自身を含む): 5533777920

約数和(自身を除く): 3535590400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 224, 254, 256, 280, 320, 439, 448, 508, 512, 560, 635, 640, 878, 889, 896, 1016, 1024, 1120, 1270, 1280, 1756, 1778, 1792, 2032, 2195, 2240, 2540, 2560, 3073, 3512, 3556, 3584, 4064, 4390, 4445, 4480, 5080, 5120, 6146, 7024, 7112, 7168, 8128, 8780, 8890, 8960, 10160, 12292, 14048, 14224, 15365, 16256, 17560, 17780, 17920, 20320, 24584, 28096, 28448, 30730, 32512, 35120, 35560, 35840, 40640, 49168, 55753, 56192, 56896, 61460, 65024, 70240, 71120, 81280, 98336, 111506, 112384, 113792, 122920, 130048, 140480, 142240, 162560, 196672, 223012, 224768, 227584, 245840, 278765, 280960, 284480, 325120, 390271, 393344, 446024, 449536, 455168, 491680, 557530, 561920, 568960, 650240, 780542, 786688, 892048, 910336, 983360, 1115060, 1123840, 1137920, 1561084, 1573376, 1784096, 1951355, 1966720, 2230120, 2247680, 2275840, 3122168, 3146752, 3568192, 3902710, 3933440, 4460240, 4551680, 6244336, 7136384, 7805420, 7866880, 8920480, 12488672, 14272768, 15610840, 15733760, 17840960, 24977344, 28545536, 31221680, 35681920, 49954688, 57091072, 62443360, 71363840, 99909376, 124886720, 142727680, 199818752, 249773440, 285455360, 399637504, 499546880, 999093760, 1998187520]

約数ペア:

[(1, 1998187520), (2, 999093760), (4, 499546880), (5, 399637504), (7, 285455360), (8, 249773440), (10, 199818752), (14, 142727680), (16, 124886720), (20, 99909376), (28, 71363840), (32, 62443360), (35, 57091072), (40, 49954688), (56, 35681920), (64, 31221680), (70, 28545536), (80, 24977344), (112, 17840960), (127, 15733760), (128, 15610840), (140, 14272768), (160, 12488672), (224, 8920480), (254, 7866880), (256, 7805420), (280, 7136384), (320, 6244336), (439, 4551680), (448, 4460240), (508, 3933440), (512, 3902710), (560, 3568192), (635, 3146752), (640, 3122168), (878, 2275840), (889, 2247680), (896, 2230120), (1016, 1966720), (1024, 1951355), (1120, 1784096), (1270, 1573376), (1280, 1561084), (1756, 1137920), (1778, 1123840), (1792, 1115060), (2032, 983360), (2195, 910336), (2240, 892048), (2540, 786688), (2560, 780542), (3073, 650240), (3512, 568960), (3556, 561920), (3584, 557530), (4064, 491680), (4390, 455168), (4445, 449536), (4480, 446024), (5080, 393344), (5120, 390271), (6146, 325120), (7024, 284480), (7112, 280960), (7168, 278765), (8128, 245840), (8780, 227584), (8890, 224768), (8960, 223012), (10160, 196672), (12292, 162560), (14048, 142240), (14224, 140480), (15365, 130048), (16256, 122920), (17560, 113792), (17780, 112384), (17920, 111506), (20320, 98336), (24584, 81280), (28096, 71120), (28448, 70240), (30730, 65024), (32512, 61460), (35120, 56896), (35560, 56192), (35840, 55753), (40640, 49168)]