214808560

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 510681600

約数和(自身を除く): 295873040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 131, 199, 206, 262, 398, 412, 515, 524, 655, 796, 824, 995, 1030, 1048, 1310, 1592, 1648, 1990, 2060, 2096, 2620, 3184, 3980, 4120, 5240, 7960, 8240, 10480, 13493, 15920, 20497, 26069, 26986, 40994, 52138, 53972, 67465, 81988, 102485, 104276, 107944, 130345, 134930, 163976, 204970, 208552, 215888, 260690, 269860, 327952, 409940, 417104, 521380, 539720, 819880, 1042760, 1079440, 1639760, 2085520, 2685107, 5370214, 10740428, 13425535, 21480856, 26851070, 42961712, 53702140, 107404280, 214808560]

約数ペア:

[(1, 214808560), (2, 107404280), (4, 53702140), (5, 42961712), (8, 26851070), (10, 21480856), (16, 13425535), (20, 10740428), (40, 5370214), (80, 2685107), (103, 2085520), (131, 1639760), (199, 1079440), (206, 1042760), (262, 819880), (398, 539720), (412, 521380), (515, 417104), (524, 409940), (655, 327952), (796, 269860), (824, 260690), (995, 215888), (1030, 208552), (1048, 204970), (1310, 163976), (1592, 134930), (1648, 130345), (1990, 107944), (2060, 104276), (2096, 102485), (2620, 81988), (3184, 67465), (3980, 53972), (4120, 52138), (5240, 40994), (7960, 26986), (8240, 26069), (10480, 20497), (13493, 15920)]