204976640

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:314

約数の個数: 160

約数和(自身を含む): 556839360

約数和(自身を除く): 351862720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 64, 80, 88, 110, 116, 128, 145, 160, 176, 220, 232, 251, 256, 290, 319, 320, 352, 440, 464, 502, 512, 580, 638, 640, 704, 880, 928, 1004, 1160, 1255, 1276, 1280, 1408, 1595, 1760, 1856, 2008, 2320, 2510, 2552, 2560, 2761, 2816, 3190, 3520, 3712, 4016, 4640, 5020, 5104, 5522, 5632, 6380, 7040, 7279, 7424, 8032, 9280, 10040, 10208, 11044, 12760, 13805, 14080, 14558, 14848, 16064, 18560, 20080, 20416, 22088, 25520, 27610, 28160, 29116, 32128, 36395, 37120, 40160, 40832, 44176, 51040, 55220, 58232, 64256, 72790, 74240, 80069, 80320, 81664, 88352, 102080, 110440, 116464, 128512, 145580, 160138, 160640, 163328, 176704, 204160, 220880, 232928, 291160, 320276, 321280, 353408, 400345, 408320, 441760, 465856, 582320, 640552, 642560, 706816, 800690, 816640, 883520, 931712, 1164640, 1281104, 1413632, 1601380, 1767040, 1863424, 2329280, 2562208, 3202760, 3534080, 3726848, 4658560, 5124416, 6405520, 7068160, 9317120, 10248832, 12811040, 18634240, 20497664, 25622080, 40995328, 51244160, 102488320, 204976640]

約数ペア:

[(1, 204976640), (2, 102488320), (4, 51244160), (5, 40995328), (8, 25622080), (10, 20497664), (11, 18634240), (16, 12811040), (20, 10248832), (22, 9317120), (29, 7068160), (32, 6405520), (40, 5124416), (44, 4658560), (55, 3726848), (58, 3534080), (64, 3202760), (80, 2562208), (88, 2329280), (110, 1863424), (116, 1767040), (128, 1601380), (145, 1413632), (160, 1281104), (176, 1164640), (220, 931712), (232, 883520), (251, 816640), (256, 800690), (290, 706816), (319, 642560), (320, 640552), (352, 582320), (440, 465856), (464, 441760), (502, 408320), (512, 400345), (580, 353408), (638, 321280), (640, 320276), (704, 291160), (880, 232928), (928, 220880), (1004, 204160), (1160, 176704), (1255, 163328), (1276, 160640), (1280, 160138), (1408, 145580), (1595, 128512), (1760, 116464), (1856, 110440), (2008, 102080), (2320, 88352), (2510, 81664), (2552, 80320), (2560, 80069), (2761, 74240), (2816, 72790), (3190, 64256), (3520, 58232), (3712, 55220), (4016, 51040), (4640, 44176), (5020, 40832), (5104, 40160), (5522, 37120), (5632, 36395), (6380, 32128), (7040, 29116), (7279, 28160), (7424, 27610), (8032, 25520), (9280, 22088), (10040, 20416), (10208, 20080), (11044, 18560), (12760, 16064), (13805, 14848), (14080, 14558)]