1569681020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1\times {\mathrm{2707}}^1$

素因数の和:3162

約数の個数: 48

約数和(自身を含む): 3348387840

約数和(自身を除く): 1778706820

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 367, 395, 734, 790, 1468, 1580, 1835, 2707, 3670, 5414, 7340, 10828, 13535, 27070, 28993, 54140, 57986, 115972, 144965, 213853, 289930, 427706, 579860, 855412, 993469, 1069265, 1986938, 2138530, 3973876, 4277060, 4967345, 9934690, 19869380, 78484051, 156968102, 313936204, 392420255, 784840510, 1569681020]

約数ペア:

[(1, 1569681020), (2, 784840510), (4, 392420255), (5, 313936204), (10, 156968102), (20, 78484051), (79, 19869380), (158, 9934690), (316, 4967345), (367, 4277060), (395, 3973876), (734, 2138530), (790, 1986938), (1468, 1069265), (1580, 993469), (1835, 855412), (2707, 579860), (3670, 427706), (5414, 289930), (7340, 213853), (10828, 144965), (13535, 115972), (27070, 57986), (28993, 54140)]