290438512

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4639}}^1$

素因数の和:4710

約数の個数: 80

約数和(自身を含む): 708843520

約数和(自身を除く): 418405008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 208, 301, 344, 364, 559, 602, 688, 728, 1118, 1204, 1456, 2236, 2408, 3913, 4472, 4639, 4816, 7826, 8944, 9278, 15652, 18556, 31304, 32473, 37112, 60307, 62608, 64946, 74224, 120614, 129892, 199477, 241228, 259784, 398954, 422149, 482456, 519568, 797908, 844298, 964912, 1396339, 1595816, 1688596, 2593201, 2792678, 3191632, 3377192, 5186402, 5585356, 6754384, 10372804, 11170712, 18152407, 20745608, 22341424, 36304814, 41491216, 72609628, 145219256, 290438512]

約数ペア:

[(1, 290438512), (2, 145219256), (4, 72609628), (7, 41491216), (8, 36304814), (13, 22341424), (14, 20745608), (16, 18152407), (26, 11170712), (28, 10372804), (43, 6754384), (52, 5585356), (56, 5186402), (86, 3377192), (91, 3191632), (104, 2792678), (112, 2593201), (172, 1688596), (182, 1595816), (208, 1396339), (301, 964912), (344, 844298), (364, 797908), (559, 519568), (602, 482456), (688, 422149), (728, 398954), (1118, 259784), (1204, 241228), (1456, 199477), (2236, 129892), (2408, 120614), (3913, 74224), (4472, 64946), (4639, 62608), (4816, 60307), (7826, 37112), (8944, 32473), (9278, 31304), (15652, 18556)]