290474240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1907}}^1$

素因数の和:1952

約数の個数: 144

約数和(自身を含む): 842389632

約数和(自身を除く): 551915392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1280, 1360, 1792, 1904, 1907, 2176, 2240, 2380, 2720, 3808, 3814, 4352, 4480, 4760, 5440, 7616, 7628, 8960, 9520, 9535, 10880, 13349, 15232, 15256, 19040, 19070, 21760, 26698, 30464, 30512, 32419, 38080, 38140, 53396, 61024, 64838, 66745, 76160, 76280, 106792, 122048, 129676, 133490, 152320, 152560, 162095, 213584, 226933, 244096, 259352, 266980, 305120, 324190, 427168, 453866, 488192, 518704, 533960, 610240, 648380, 854336, 907732, 1037408, 1067920, 1134665, 1220480, 1296760, 1708672, 1815464, 2074816, 2135840, 2269330, 2440960, 2593520, 3417344, 3630928, 4149632, 4271680, 4538660, 5187040, 7261856, 8299264, 8543360, 9077320, 10374080, 14523712, 17086720, 18154640, 20748160, 29047424, 36309280, 41496320, 58094848, 72618560, 145237120, 290474240]

約数ペア:

[(1, 290474240), (2, 145237120), (4, 72618560), (5, 58094848), (7, 41496320), (8, 36309280), (10, 29047424), (14, 20748160), (16, 18154640), (17, 17086720), (20, 14523712), (28, 10374080), (32, 9077320), (34, 8543360), (35, 8299264), (40, 7261856), (56, 5187040), (64, 4538660), (68, 4271680), (70, 4149632), (80, 3630928), (85, 3417344), (112, 2593520), (119, 2440960), (128, 2269330), (136, 2135840), (140, 2074816), (160, 1815464), (170, 1708672), (224, 1296760), (238, 1220480), (256, 1134665), (272, 1067920), (280, 1037408), (320, 907732), (340, 854336), (448, 648380), (476, 610240), (544, 533960), (560, 518704), (595, 488192), (640, 453866), (680, 427168), (896, 324190), (952, 305120), (1088, 266980), (1120, 259352), (1190, 244096), (1280, 226933), (1360, 213584), (1792, 162095), (1904, 152560), (1907, 152320), (2176, 133490), (2240, 129676), (2380, 122048), (2720, 106792), (3808, 76280), (3814, 76160), (4352, 66745), (4480, 64838), (4760, 61024), (5440, 53396), (7616, 38140), (7628, 38080), (8960, 32419), (9520, 30512), (9535, 30464), (10880, 26698), (13349, 21760), (15232, 19070), (15256, 19040)]