31167460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 72432360

約数和(自身を除く): 41264900

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 109, 116, 145, 170, 218, 290, 340, 436, 493, 545, 580, 841, 986, 1090, 1682, 1853, 1972, 2180, 2465, 3161, 3364, 3706, 4205, 4930, 6322, 7412, 8410, 9265, 9860, 12644, 14297, 15805, 16820, 18530, 28594, 31610, 37060, 53737, 57188, 63220, 71485, 91669, 107474, 142970, 183338, 214948, 268685, 285940, 366676, 458345, 537370, 916690, 1074740, 1558373, 1833380, 3116746, 6233492, 7791865, 15583730, 31167460]

約数ペア:

[(1, 31167460), (2, 15583730), (4, 7791865), (5, 6233492), (10, 3116746), (17, 1833380), (20, 1558373), (29, 1074740), (34, 916690), (58, 537370), (68, 458345), (85, 366676), (109, 285940), (116, 268685), (145, 214948), (170, 183338), (218, 142970), (290, 107474), (340, 91669), (436, 71485), (493, 63220), (545, 57188), (580, 53737), (841, 37060), (986, 31610), (1090, 28594), (1682, 18530), (1853, 16820), (1972, 15805), (2180, 14297), (2465, 12644), (3161, 9860), (3364, 9265), (3706, 8410), (4205, 7412), (4930, 6322)]