420983475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 809948160

約数和(自身を除く): 388964685

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 107, 165, 209, 251, 275, 285, 321, 475, 535, 627, 753, 825, 1045, 1177, 1255, 1425, 1605, 2033, 2675, 2761, 3135, 3531, 3765, 4769, 5225, 5885, 6099, 6275, 8025, 8283, 10165, 13805, 14307, 15675, 17655, 18825, 22363, 23845, 26857, 29425, 30495, 41415, 50825, 52459, 67089, 69025, 71535, 80571, 88275, 111815, 119225, 134285, 152475, 157377, 207075, 262295, 295427, 335445, 357675, 402855, 510283, 559075, 671425, 786885, 886281, 1311475, 1477135, 1530849, 1677225, 2014275, 2551415, 3934425, 4431405, 5613113, 7385675, 7654245, 12757075, 16839339, 22157025, 28065565, 38271225, 84196695, 140327825, 420983475]

約数ペア:

[(1, 420983475), (3, 140327825), (5, 84196695), (11, 38271225), (15, 28065565), (19, 22157025), (25, 16839339), (33, 12757075), (55, 7654245), (57, 7385675), (75, 5613113), (95, 4431405), (107, 3934425), (165, 2551415), (209, 2014275), (251, 1677225), (275, 1530849), (285, 1477135), (321, 1311475), (475, 886281), (535, 786885), (627, 671425), (753, 559075), (825, 510283), (1045, 402855), (1177, 357675), (1255, 335445), (1425, 295427), (1605, 262295), (2033, 207075), (2675, 157377), (2761, 152475), (3135, 134285), (3531, 119225), (3765, 111815), (4769, 88275), (5225, 80571), (5885, 71535), (6099, 69025), (6275, 67089), (8025, 52459), (8283, 50825), (10165, 41415), (13805, 30495), (14307, 29425), (15675, 26857), (17655, 23845), (18825, 22363)]