213723520

素因数分解:

$2^7\times 5^1\times {\mathrm{419}}^1\times {\mathrm{797}}^1$

素因数の和:1235

約数の個数: 64

約数和(自身を含む): 512794800

約数和(自身を除く): 299071280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 419, 640, 797, 838, 1594, 1676, 2095, 3188, 3352, 3985, 4190, 6376, 6704, 7970, 8380, 12752, 13408, 15940, 16760, 25504, 26816, 31880, 33520, 51008, 53632, 63760, 67040, 102016, 127520, 134080, 255040, 268160, 333943, 510080, 667886, 1335772, 1669715, 2671544, 3339430, 5343088, 6678860, 10686176, 13357720, 21372352, 26715440, 42744704, 53430880, 106861760, 213723520]

約数ペア:

[(1, 213723520), (2, 106861760), (4, 53430880), (5, 42744704), (8, 26715440), (10, 21372352), (16, 13357720), (20, 10686176), (32, 6678860), (40, 5343088), (64, 3339430), (80, 2671544), (128, 1669715), (160, 1335772), (320, 667886), (419, 510080), (640, 333943), (797, 268160), (838, 255040), (1594, 134080), (1676, 127520), (2095, 102016), (3188, 67040), (3352, 63760), (3985, 53632), (4190, 51008), (6376, 33520), (6704, 31880), (7970, 26816), (8380, 25504), (12752, 16760), (13408, 15940)]