38380800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{1999}}^1$

素因数の和:2028

約数の個数: 108

約数和(自身を含む): 126728000

約数和(自身を除く): 88347200

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, 600, 640, 768, 800, 960, 1200, 1280, 1600, 1920, 1999, 2400, 3200, 3840, 3998, 4800, 5997, 6400, 7996, 9600, 9995, 11994, 15992, 19200, 19990, 23988, 29985, 31984, 39980, 47976, 49975, 59970, 63968, 79960, 95952, 99950, 119940, 127936, 149925, 159920, 191904, 199900, 239880, 255872, 299850, 319840, 383808, 399800, 479760, 511744, 599700, 639680, 767616, 799600, 959520, 1199400, 1279360, 1535232, 1599200, 1919040, 2398800, 2558720, 3198400, 3838080, 4797600, 6396800, 7676160, 9595200, 12793600, 19190400, 38380800]

約数ペア:

[(1, 38380800), (2, 19190400), (3, 12793600), (4, 9595200), (5, 7676160), (6, 6396800), (8, 4797600), (10, 3838080), (12, 3198400), (15, 2558720), (16, 2398800), (20, 1919040), (24, 1599200), (25, 1535232), (30, 1279360), (32, 1199400), (40, 959520), (48, 799600), (50, 767616), (60, 639680), (64, 599700), (75, 511744), (80, 479760), (96, 399800), (100, 383808), (120, 319840), (128, 299850), (150, 255872), (160, 239880), (192, 199900), (200, 191904), (240, 159920), (256, 149925), (300, 127936), (320, 119940), (384, 99950), (400, 95952), (480, 79960), (600, 63968), (640, 59970), (768, 49975), (800, 47976), (960, 39980), (1200, 31984), (1280, 29985), (1600, 23988), (1920, 19990), (1999, 19200), (2400, 15992), (3200, 11994), (3840, 9995), (3998, 9600), (4800, 7996), (5997, 6400)]