290168480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:223

約数の個数: 192

約数和(自身を含む): 823011840

約数和(自身を除く): 532843360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 70, 71, 80, 82, 89, 112, 140, 142, 160, 164, 178, 205, 224, 280, 284, 287, 328, 355, 356, 410, 445, 497, 560, 568, 574, 623, 656, 710, 712, 820, 890, 994, 1120, 1136, 1148, 1246, 1312, 1420, 1424, 1435, 1640, 1780, 1988, 2272, 2296, 2485, 2492, 2840, 2848, 2870, 2911, 3115, 3280, 3560, 3649, 3976, 4592, 4970, 4984, 5680, 5740, 5822, 6230, 6319, 6560, 7120, 7298, 7952, 9184, 9940, 9968, 11360, 11480, 11644, 12460, 12638, 14240, 14555, 14596, 15904, 18245, 19880, 19936, 20377, 22960, 23288, 24920, 25276, 25543, 29110, 29192, 31595, 36490, 39760, 40754, 44233, 45920, 46576, 49840, 50552, 51086, 58220, 58384, 63190, 72980, 79520, 81508, 88466, 93152, 99680, 101104, 101885, 102172, 116440, 116768, 126380, 127715, 145960, 163016, 176932, 202208, 203770, 204344, 221165, 232880, 252760, 255430, 259079, 291920, 326032, 353864, 407540, 408688, 442330, 465760, 505520, 510860, 518158, 583840, 652064, 707728, 815080, 817376, 884660, 1011040, 1021720, 1036316, 1295395, 1415456, 1630160, 1769320, 1813553, 2043440, 2072632, 2590790, 3260320, 3538640, 3627106, 4086880, 4145264, 5181580, 7077280, 7254212, 8290528, 9067765, 10363160, 14508424, 18135530, 20726320, 29016848, 36271060, 41452640, 58033696, 72542120, 145084240, 290168480]

約数ペア:

[(1, 290168480), (2, 145084240), (4, 72542120), (5, 58033696), (7, 41452640), (8, 36271060), (10, 29016848), (14, 20726320), (16, 18135530), (20, 14508424), (28, 10363160), (32, 9067765), (35, 8290528), (40, 7254212), (41, 7077280), (56, 5181580), (70, 4145264), (71, 4086880), (80, 3627106), (82, 3538640), (89, 3260320), (112, 2590790), (140, 2072632), (142, 2043440), (160, 1813553), (164, 1769320), (178, 1630160), (205, 1415456), (224, 1295395), (280, 1036316), (284, 1021720), (287, 1011040), (328, 884660), (355, 817376), (356, 815080), (410, 707728), (445, 652064), (497, 583840), (560, 518158), (568, 510860), (574, 505520), (623, 465760), (656, 442330), (710, 408688), (712, 407540), (820, 353864), (890, 326032), (994, 291920), (1120, 259079), (1136, 255430), (1148, 252760), (1246, 232880), (1312, 221165), (1420, 204344), (1424, 203770), (1435, 202208), (1640, 176932), (1780, 163016), (1988, 145960), (2272, 127715), (2296, 126380), (2485, 116768), (2492, 116440), (2840, 102172), (2848, 101885), (2870, 101104), (2911, 99680), (3115, 93152), (3280, 88466), (3560, 81508), (3649, 79520), (3976, 72980), (4592, 63190), (4970, 58384), (4984, 58220), (5680, 51086), (5740, 50552), (5822, 49840), (6230, 46576), (6319, 45920), (6560, 44233), (7120, 40754), (7298, 39760), (7952, 36490), (9184, 31595), (9940, 29192), (9968, 29110), (11360, 25543), (11480, 25276), (11644, 24920), (12460, 23288), (12638, 22960), (14240, 20377), (14555, 19936), (14596, 19880), (15904, 18245)]