64872220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{9859}}^1$

素因数の和:9922

約数の個数: 48

約数和(自身を含む): 159022080

約数和(自身を除く): 94149860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 9859, 19718, 39436, 49295, 69013, 98590, 138026, 197180, 276052, 345065, 463373, 690130, 926746, 1380260, 1853492, 2316865, 3243611, 4633730, 6487222, 9267460, 12974444, 16218055, 32436110, 64872220]

約数ペア:

[(1, 64872220), (2, 32436110), (4, 16218055), (5, 12974444), (7, 9267460), (10, 6487222), (14, 4633730), (20, 3243611), (28, 2316865), (35, 1853492), (47, 1380260), (70, 926746), (94, 690130), (140, 463373), (188, 345065), (235, 276052), (329, 197180), (470, 138026), (658, 98590), (940, 69013), (1316, 49295), (1645, 39436), (3290, 19718), (6580, 9859)]