28740880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3019}}^1$

素因数の和:3056

約数の個数: 80

約数和(自身を含む): 80887680

約数和(自身を除く): 52146800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 3019, 4760, 6038, 9520, 12076, 15095, 21133, 24152, 30190, 42266, 48304, 51323, 60380, 84532, 102646, 105665, 120760, 169064, 205292, 211330, 241520, 256615, 338128, 359261, 410584, 422660, 513230, 718522, 821168, 845320, 1026460, 1437044, 1690640, 1796305, 2052920, 2874088, 3592610, 4105840, 5748176, 7185220, 14370440, 28740880]

約数ペア:

[(1, 28740880), (2, 14370440), (4, 7185220), (5, 5748176), (7, 4105840), (8, 3592610), (10, 2874088), (14, 2052920), (16, 1796305), (17, 1690640), (20, 1437044), (28, 1026460), (34, 845320), (35, 821168), (40, 718522), (56, 513230), (68, 422660), (70, 410584), (80, 359261), (85, 338128), (112, 256615), (119, 241520), (136, 211330), (140, 205292), (170, 169064), (238, 120760), (272, 105665), (280, 102646), (340, 84532), (476, 60380), (560, 51323), (595, 48304), (680, 42266), (952, 30190), (1190, 24152), (1360, 21133), (1904, 15095), (2380, 12076), (3019, 9520), (4760, 6038)]