17380660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 40118400

約数和(自身を除く): 22737740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 397, 398, 794, 796, 995, 1588, 1985, 1990, 2189, 3970, 3980, 4367, 4378, 7940, 8734, 8756, 10945, 17468, 21835, 21890, 43670, 43780, 79003, 87340, 158006, 316012, 395015, 790030, 869033, 1580060, 1738066, 3476132, 4345165, 8690330, 17380660]

約数ペア:

[(1, 17380660), (2, 8690330), (4, 4345165), (5, 3476132), (10, 1738066), (11, 1580060), (20, 869033), (22, 790030), (44, 395015), (55, 316012), (110, 158006), (199, 87340), (220, 79003), (397, 43780), (398, 43670), (794, 21890), (796, 21835), (995, 17468), (1588, 10945), (1985, 8756), (1990, 8734), (2189, 7940), (3970, 4378), (3980, 4367)]