197990400

素因数分解:

$2^{11}\times 3^1\times 5^2\times {\mathrm{1289}}^1$

素因数の和:1324

約数の個数: 144

約数和(自身を含む): 655036200

約数和(自身を除く): 457045800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 512, 600, 640, 768, 800, 960, 1024, 1200, 1280, 1289, 1536, 1600, 1920, 2048, 2400, 2560, 2578, 3072, 3200, 3840, 3867, 4800, 5120, 5156, 6144, 6400, 6445, 7680, 7734, 9600, 10240, 10312, 12800, 12890, 15360, 15468, 19200, 19335, 20624, 25600, 25780, 30720, 30936, 32225, 38400, 38670, 41248, 51200, 51560, 61872, 64450, 76800, 77340, 82496, 96675, 103120, 123744, 128900, 153600, 154680, 164992, 193350, 206240, 247488, 257800, 309360, 329984, 386700, 412480, 494976, 515600, 618720, 659968, 773400, 824960, 989952, 1031200, 1237440, 1319936, 1546800, 1649920, 1979904, 2062400, 2474880, 2639872, 3093600, 3299840, 3959808, 4124800, 4949760, 6187200, 6599680, 7919616, 8249600, 9899520, 12374400, 13199360, 16499200, 19799040, 24748800, 32998400, 39598080, 49497600, 65996800, 98995200, 197990400]

約数ペア:

[(1, 197990400), (2, 98995200), (3, 65996800), (4, 49497600), (5, 39598080), (6, 32998400), (8, 24748800), (10, 19799040), (12, 16499200), (15, 13199360), (16, 12374400), (20, 9899520), (24, 8249600), (25, 7919616), (30, 6599680), (32, 6187200), (40, 4949760), (48, 4124800), (50, 3959808), (60, 3299840), (64, 3093600), (75, 2639872), (80, 2474880), (96, 2062400), (100, 1979904), (120, 1649920), (128, 1546800), (150, 1319936), (160, 1237440), (192, 1031200), (200, 989952), (240, 824960), (256, 773400), (300, 659968), (320, 618720), (384, 515600), (400, 494976), (480, 412480), (512, 386700), (600, 329984), (640, 309360), (768, 257800), (800, 247488), (960, 206240), (1024, 193350), (1200, 164992), (1280, 154680), (1289, 153600), (1536, 128900), (1600, 123744), (1920, 103120), (2048, 96675), (2400, 82496), (2560, 77340), (2578, 76800), (3072, 64450), (3200, 61872), (3840, 51560), (3867, 51200), (4800, 41248), (5120, 38670), (5156, 38400), (6144, 32225), (6400, 30936), (6445, 30720), (7680, 25780), (7734, 25600), (9600, 20624), (10240, 19335), (10312, 19200), (12800, 15468), (12890, 15360)]