256004228

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 474692400

約数和(自身を除く): 218688172

約数列:

[1, 2, 4, 29, 58, 89, 116, 137, 178, 181, 274, 356, 362, 548, 724, 2581, 3973, 5162, 5249, 7946, 10324, 10498, 12193, 15892, 16109, 20996, 24386, 24797, 32218, 48772, 49594, 64436, 99188, 353597, 467161, 707194, 719113, 934322, 1414388, 1438226, 1868644, 2206933, 2876452, 4413866, 8827732, 64001057, 128002114, 256004228]

約数ペア:

[(1, 256004228), (2, 128002114), (4, 64001057), (29, 8827732), (58, 4413866), (89, 2876452), (116, 2206933), (137, 1868644), (178, 1438226), (181, 1414388), (274, 934322), (356, 719113), (362, 707194), (548, 467161), (724, 353597), (2581, 99188), (3973, 64436), (5162, 49594), (5249, 48772), (7946, 32218), (10324, 24797), (10498, 24386), (12193, 20996), (15892, 16109)]