389990400

素因数分解:

$2^{11}\times 3^1\times 5^2\times {\mathrm{2539}}^1$

素因数の和:2574

約数の個数: 144

約数和(自身を含む): 1289761200

約数和(自身を除く): 899770800

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, 1536, 1600, 1920, 2048, 2400, 2539, 2560, 3072, 3200, 3840, 4800, 5078, 5120, 6144, 6400, 7617, 7680, 9600, 10156, 10240, 12695, 12800, 15234, 15360, 19200, 20312, 25390, 25600, 30468, 30720, 38085, 38400, 40624, 50780, 51200, 60936, 63475, 76170, 76800, 81248, 101560, 121872, 126950, 152340, 153600, 162496, 190425, 203120, 243744, 253900, 304680, 324992, 380850, 406240, 487488, 507800, 609360, 649984, 761700, 812480, 974976, 1015600, 1218720, 1299968, 1523400, 1624960, 1949952, 2031200, 2437440, 2599936, 3046800, 3249920, 3899904, 4062400, 4874880, 5199872, 6093600, 6499840, 7799808, 8124800, 9749760, 12187200, 12999680, 15599616, 16249600, 19499520, 24374400, 25999360, 32499200, 38999040, 48748800, 64998400, 77998080, 97497600, 129996800, 194995200, 389990400]

約数ペア:

[(1, 389990400), (2, 194995200), (3, 129996800), (4, 97497600), (5, 77998080), (6, 64998400), (8, 48748800), (10, 38999040), (12, 32499200), (15, 25999360), (16, 24374400), (20, 19499520), (24, 16249600), (25, 15599616), (30, 12999680), (32, 12187200), (40, 9749760), (48, 8124800), (50, 7799808), (60, 6499840), (64, 6093600), (75, 5199872), (80, 4874880), (96, 4062400), (100, 3899904), (120, 3249920), (128, 3046800), (150, 2599936), (160, 2437440), (192, 2031200), (200, 1949952), (240, 1624960), (256, 1523400), (300, 1299968), (320, 1218720), (384, 1015600), (400, 974976), (480, 812480), (512, 761700), (600, 649984), (640, 609360), (768, 507800), (800, 487488), (960, 406240), (1024, 380850), (1200, 324992), (1280, 304680), (1536, 253900), (1600, 243744), (1920, 203120), (2048, 190425), (2400, 162496), (2539, 153600), (2560, 152340), (3072, 126950), (3200, 121872), (3840, 101560), (4800, 81248), (5078, 76800), (5120, 76170), (6144, 63475), (6400, 60936), (7617, 51200), (7680, 50780), (9600, 40624), (10156, 38400), (10240, 38085), (12695, 30720), (12800, 30468), (15234, 25600), (15360, 25390), (19200, 20312)]