289770880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{911}}^1$

素因数の和:1008

約数の個数: 128

約数和(自身を含む): 803727360

約数和(自身を除く): 513956480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 560, 568, 640, 710, 896, 911, 994, 1120, 1136, 1420, 1822, 1988, 2240, 2272, 2485, 2840, 3644, 3976, 4480, 4544, 4555, 4970, 5680, 6377, 7288, 7952, 9088, 9110, 9940, 11360, 12754, 14576, 15904, 18220, 19880, 22720, 25508, 29152, 31808, 31885, 36440, 39760, 45440, 51016, 58304, 63616, 63770, 64681, 72880, 79520, 102032, 116608, 127540, 129362, 145760, 159040, 204064, 255080, 258724, 291520, 318080, 323405, 408128, 452767, 510160, 517448, 583040, 646810, 816256, 905534, 1020320, 1034896, 1293620, 1811068, 2040640, 2069792, 2263835, 2587240, 3622136, 4081280, 4139584, 4527670, 5174480, 7244272, 8279168, 9055340, 10348960, 14488544, 18110680, 20697920, 28977088, 36221360, 41395840, 57954176, 72442720, 144885440, 289770880]

約数ペア:

[(1, 289770880), (2, 144885440), (4, 72442720), (5, 57954176), (7, 41395840), (8, 36221360), (10, 28977088), (14, 20697920), (16, 18110680), (20, 14488544), (28, 10348960), (32, 9055340), (35, 8279168), (40, 7244272), (56, 5174480), (64, 4527670), (70, 4139584), (71, 4081280), (80, 3622136), (112, 2587240), (128, 2263835), (140, 2069792), (142, 2040640), (160, 1811068), (224, 1293620), (280, 1034896), (284, 1020320), (320, 905534), (355, 816256), (448, 646810), (497, 583040), (560, 517448), (568, 510160), (640, 452767), (710, 408128), (896, 323405), (911, 318080), (994, 291520), (1120, 258724), (1136, 255080), (1420, 204064), (1822, 159040), (1988, 145760), (2240, 129362), (2272, 127540), (2485, 116608), (2840, 102032), (3644, 79520), (3976, 72880), (4480, 64681), (4544, 63770), (4555, 63616), (4970, 58304), (5680, 51016), (6377, 45440), (7288, 39760), (7952, 36440), (9088, 31885), (9110, 31808), (9940, 29152), (11360, 25508), (12754, 22720), (14576, 19880), (15904, 18220)]