1408660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 3407040

約数和(自身を除く): 1998380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 337, 380, 418, 674, 836, 1045, 1348, 1685, 2090, 3370, 3707, 4180, 6403, 6740, 7414, 12806, 14828, 18535, 25612, 32015, 37070, 64030, 70433, 74140, 128060, 140866, 281732, 352165, 704330, 1408660]

約数ペア:

[(1, 1408660), (2, 704330), (4, 352165), (5, 281732), (10, 140866), (11, 128060), (19, 74140), (20, 70433), (22, 64030), (38, 37070), (44, 32015), (55, 25612), (76, 18535), (95, 14828), (110, 12806), (190, 7414), (209, 6740), (220, 6403), (337, 4180), (380, 3707), (418, 3370), (674, 2090), (836, 1685), (1045, 1348)]