251883520

素因数分解:

$2^{12}\times 5^1\times 7^2\times {\mathrm{251}}^1$

素因数の和:294

約数の個数: 156

約数和(自身を含む): 705933144

約数和(自身を除く): 454049624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 251, 256, 280, 320, 392, 448, 490, 502, 512, 560, 640, 784, 896, 980, 1004, 1024, 1120, 1255, 1280, 1568, 1757, 1792, 1960, 2008, 2048, 2240, 2510, 2560, 3136, 3514, 3584, 3920, 4016, 4096, 4480, 5020, 5120, 6272, 7028, 7168, 7840, 8032, 8785, 8960, 10040, 10240, 12299, 12544, 14056, 14336, 15680, 16064, 17570, 17920, 20080, 20480, 24598, 25088, 28112, 28672, 31360, 32128, 35140, 35840, 40160, 49196, 50176, 56224, 61495, 62720, 64256, 70280, 71680, 80320, 98392, 100352, 112448, 122990, 125440, 128512, 140560, 143360, 160640, 196784, 200704, 224896, 245980, 250880, 257024, 281120, 321280, 393568, 449792, 491960, 501760, 514048, 562240, 642560, 787136, 899584, 983920, 1003520, 1028096, 1124480, 1285120, 1574272, 1799168, 1967840, 2248960, 2570240, 3148544, 3598336, 3935680, 4497920, 5140480, 6297088, 7196672, 7871360, 8995840, 12594176, 15742720, 17991680, 25188352, 31485440, 35983360, 50376704, 62970880, 125941760, 251883520]

約数ペア:

[(1, 251883520), (2, 125941760), (4, 62970880), (5, 50376704), (7, 35983360), (8, 31485440), (10, 25188352), (14, 17991680), (16, 15742720), (20, 12594176), (28, 8995840), (32, 7871360), (35, 7196672), (40, 6297088), (49, 5140480), (56, 4497920), (64, 3935680), (70, 3598336), (80, 3148544), (98, 2570240), (112, 2248960), (128, 1967840), (140, 1799168), (160, 1574272), (196, 1285120), (224, 1124480), (245, 1028096), (251, 1003520), (256, 983920), (280, 899584), (320, 787136), (392, 642560), (448, 562240), (490, 514048), (502, 501760), (512, 491960), (560, 449792), (640, 393568), (784, 321280), (896, 281120), (980, 257024), (1004, 250880), (1024, 245980), (1120, 224896), (1255, 200704), (1280, 196784), (1568, 160640), (1757, 143360), (1792, 140560), (1960, 128512), (2008, 125440), (2048, 122990), (2240, 112448), (2510, 100352), (2560, 98392), (3136, 80320), (3514, 71680), (3584, 70280), (3920, 64256), (4016, 62720), (4096, 61495), (4480, 56224), (5020, 50176), (5120, 49196), (6272, 40160), (7028, 35840), (7168, 35140), (7840, 32128), (8032, 31360), (8785, 28672), (8960, 28112), (10040, 25088), (10240, 24598), (12299, 20480), (12544, 20080), (14056, 17920), (14336, 17570), (15680, 16064)]