408320

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:61

約数の個数: 72

約数和(自身を含む): 1103760

約数和(自身を除く): 695440

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, 256, 290, 319, 320, 352, 440, 464, 580, 638, 640, 704, 880, 928, 1160, 1276, 1280, 1408, 1595, 1760, 1856, 2320, 2552, 2816, 3190, 3520, 3712, 4640, 5104, 6380, 7040, 7424, 9280, 10208, 12760, 14080, 18560, 20416, 25520, 37120, 40832, 51040, 81664, 102080, 204160, 408320]

約数ペア:

[(1, 408320), (2, 204160), (4, 102080), (5, 81664), (8, 51040), (10, 40832), (11, 37120), (16, 25520), (20, 20416), (22, 18560), (29, 14080), (32, 12760), (40, 10208), (44, 9280), (55, 7424), (58, 7040), (64, 6380), (80, 5104), (88, 4640), (110, 3712), (116, 3520), (128, 3190), (145, 2816), (160, 2552), (176, 2320), (220, 1856), (232, 1760), (256, 1595), (290, 1408), (319, 1280), (320, 1276), (352, 1160), (440, 928), (464, 880), (580, 704), (638, 640)]