1288290440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{8783}}^1$

素因数の和:9006

約数の個数: 64

約数和(自身を含む): 3067372800

約数和(自身を除く): 1779082360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 193, 380, 386, 760, 772, 965, 1544, 1930, 3667, 3860, 7334, 7720, 8783, 14668, 17566, 18335, 29336, 35132, 36670, 43915, 70264, 73340, 87830, 146680, 166877, 175660, 333754, 351320, 667508, 834385, 1335016, 1668770, 1695119, 3337540, 3390238, 6675080, 6780476, 8475595, 13560952, 16951190, 32207261, 33902380, 64414522, 67804760, 128829044, 161036305, 257658088, 322072610, 644145220, 1288290440]

約数ペア:

[(1, 1288290440), (2, 644145220), (4, 322072610), (5, 257658088), (8, 161036305), (10, 128829044), (19, 67804760), (20, 64414522), (38, 33902380), (40, 32207261), (76, 16951190), (95, 13560952), (152, 8475595), (190, 6780476), (193, 6675080), (380, 3390238), (386, 3337540), (760, 1695119), (772, 1668770), (965, 1335016), (1544, 834385), (1930, 667508), (3667, 351320), (3860, 333754), (7334, 175660), (7720, 166877), (8783, 146680), (14668, 87830), (17566, 73340), (18335, 70264), (29336, 43915), (35132, 36670)]