223980800

素因数分解:

$2^8\times 5^2\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:548

約数の個数: 108

約数和(自身を含む): 562672320

約数和(自身を除く): 338691520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 128, 158, 160, 200, 256, 316, 320, 395, 400, 443, 632, 640, 790, 800, 886, 1264, 1280, 1580, 1600, 1772, 1975, 2215, 2528, 3160, 3200, 3544, 3950, 4430, 5056, 6320, 6400, 7088, 7900, 8860, 10112, 11075, 12640, 14176, 15800, 17720, 20224, 22150, 25280, 28352, 31600, 34997, 35440, 44300, 50560, 56704, 63200, 69994, 70880, 88600, 101120, 113408, 126400, 139988, 141760, 174985, 177200, 252800, 279976, 283520, 349970, 354400, 505600, 559952, 567040, 699940, 708800, 874925, 1119904, 1399880, 1417600, 1749850, 2239808, 2799760, 2835200, 3499700, 4479616, 5599520, 6999400, 8959232, 11199040, 13998800, 22398080, 27997600, 44796160, 55995200, 111990400, 223980800]

約数ペア:

[(1, 223980800), (2, 111990400), (4, 55995200), (5, 44796160), (8, 27997600), (10, 22398080), (16, 13998800), (20, 11199040), (25, 8959232), (32, 6999400), (40, 5599520), (50, 4479616), (64, 3499700), (79, 2835200), (80, 2799760), (100, 2239808), (128, 1749850), (158, 1417600), (160, 1399880), (200, 1119904), (256, 874925), (316, 708800), (320, 699940), (395, 567040), (400, 559952), (443, 505600), (632, 354400), (640, 349970), (790, 283520), (800, 279976), (886, 252800), (1264, 177200), (1280, 174985), (1580, 141760), (1600, 139988), (1772, 126400), (1975, 113408), (2215, 101120), (2528, 88600), (3160, 70880), (3200, 69994), (3544, 63200), (3950, 56704), (4430, 50560), (5056, 44300), (6320, 35440), (6400, 34997), (7088, 31600), (7900, 28352), (8860, 25280), (10112, 22150), (11075, 20224), (12640, 17720), (14176, 15800)]