208024540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:539

約数の個数: 96

約数和(自身を含む): 487872000

約数和(自身を除く): 279847460

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 43, 58, 76, 86, 95, 116, 145, 172, 190, 215, 290, 380, 430, 439, 551, 580, 817, 860, 878, 1102, 1247, 1634, 1756, 2195, 2204, 2494, 2755, 3268, 4085, 4390, 4988, 5510, 6235, 8170, 8341, 8780, 11020, 12470, 12731, 16340, 16682, 18877, 23693, 24940, 25462, 33364, 37754, 41705, 47386, 50924, 63655, 75508, 83410, 94385, 94772, 118465, 127310, 166820, 188770, 236930, 241889, 254620, 358663, 377540, 473860, 483778, 547433, 717326, 967556, 1094866, 1209445, 1434652, 1793315, 2189732, 2418890, 2737165, 3586630, 4837780, 5474330, 7173260, 10401227, 10948660, 20802454, 41604908, 52006135, 104012270, 208024540]

約数ペア:

[(1, 208024540), (2, 104012270), (4, 52006135), (5, 41604908), (10, 20802454), (19, 10948660), (20, 10401227), (29, 7173260), (38, 5474330), (43, 4837780), (58, 3586630), (76, 2737165), (86, 2418890), (95, 2189732), (116, 1793315), (145, 1434652), (172, 1209445), (190, 1094866), (215, 967556), (290, 717326), (380, 547433), (430, 483778), (439, 473860), (551, 377540), (580, 358663), (817, 254620), (860, 241889), (878, 236930), (1102, 188770), (1247, 166820), (1634, 127310), (1756, 118465), (2195, 94772), (2204, 94385), (2494, 83410), (2755, 75508), (3268, 63655), (4085, 50924), (4390, 47386), (4988, 41705), (5510, 37754), (6235, 33364), (8170, 25462), (8341, 24940), (8780, 23693), (11020, 18877), (12470, 16682), (12731, 16340)]