411888940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{5231}}^1$

素因数の和:5398

約数の個数: 48

約数和(自身を含む): 900071424

約数和(自身を除く): 488182484

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 1270, 2540, 3937, 5231, 7874, 10462, 15748, 19685, 20924, 26155, 39370, 52310, 78740, 104620, 162161, 324322, 648644, 664337, 810805, 1328674, 1621610, 2657348, 3243220, 3321685, 6643370, 13286740, 20594447, 41188894, 82377788, 102972235, 205944470, 411888940]

約数ペア:

[(1, 411888940), (2, 205944470), (4, 102972235), (5, 82377788), (10, 41188894), (20, 20594447), (31, 13286740), (62, 6643370), (124, 3321685), (127, 3243220), (155, 2657348), (254, 1621610), (310, 1328674), (508, 810805), (620, 664337), (635, 648644), (1270, 324322), (2540, 162161), (3937, 104620), (5231, 78740), (7874, 52310), (10462, 39370), (15748, 26155), (19685, 20924)]