28852880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{769}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 77911680

約数和(自身を除く): 49058800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 268, 280, 335, 469, 536, 560, 670, 769, 938, 1072, 1340, 1538, 1876, 2345, 2680, 3076, 3752, 3845, 4690, 5360, 5383, 6152, 7504, 7690, 9380, 10766, 12304, 15380, 18760, 21532, 26915, 30760, 37520, 43064, 51523, 53830, 61520, 86128, 103046, 107660, 206092, 215320, 257615, 360661, 412184, 430640, 515230, 721322, 824368, 1030460, 1442644, 1803305, 2060920, 2885288, 3606610, 4121840, 5770576, 7213220, 14426440, 28852880]

約数ペア:

[(1, 28852880), (2, 14426440), (4, 7213220), (5, 5770576), (7, 4121840), (8, 3606610), (10, 2885288), (14, 2060920), (16, 1803305), (20, 1442644), (28, 1030460), (35, 824368), (40, 721322), (56, 515230), (67, 430640), (70, 412184), (80, 360661), (112, 257615), (134, 215320), (140, 206092), (268, 107660), (280, 103046), (335, 86128), (469, 61520), (536, 53830), (560, 51523), (670, 43064), (769, 37520), (938, 30760), (1072, 26915), (1340, 21532), (1538, 18760), (1876, 15380), (2345, 12304), (2680, 10766), (3076, 9380), (3752, 7690), (3845, 7504), (4690, 6152), (5360, 5383)]