28826420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10837}}^1$

素因数の和:10872

約数の個数: 48

約数和(自身を含む): 72831360

約数和(自身を除く): 44004940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 10837, 21674, 43348, 54185, 75859, 108370, 151718, 205903, 216740, 303436, 379295, 411806, 758590, 823612, 1029515, 1441321, 1517180, 2059030, 2882642, 4118060, 5765284, 7206605, 14413210, 28826420]

約数ペア:

[(1, 28826420), (2, 14413210), (4, 7206605), (5, 5765284), (7, 4118060), (10, 2882642), (14, 2059030), (19, 1517180), (20, 1441321), (28, 1029515), (35, 823612), (38, 758590), (70, 411806), (76, 379295), (95, 303436), (133, 216740), (140, 205903), (190, 151718), (266, 108370), (380, 75859), (532, 54185), (665, 43348), (1330, 21674), (2660, 10837)]