997480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2267}}^1$

素因数の和:2289

約数の個数: 32

約数和(自身を含む): 2449440

約数和(自身を除く): 1451960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2267, 4534, 9068, 11335, 18136, 22670, 24937, 45340, 49874, 90680, 99748, 124685, 199496, 249370, 498740, 997480]

約数ペア:

[(1, 997480), (2, 498740), (4, 249370), (5, 199496), (8, 124685), (10, 99748), (11, 90680), (20, 49874), (22, 45340), (40, 24937), (44, 22670), (55, 18136), (88, 11335), (110, 9068), (220, 4534), (440, 2267)]