3919190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 8043840

約数和(自身を除く): 4124650

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 79, 82, 110, 121, 158, 205, 242, 395, 410, 451, 605, 790, 869, 902, 1210, 1738, 2255, 3239, 4345, 4510, 4961, 6478, 8690, 9559, 9922, 16195, 19118, 24805, 32390, 35629, 47795, 49610, 71258, 95590, 178145, 356290, 391919, 783838, 1959595, 3919190]

約数ペア:

[(1, 3919190), (2, 1959595), (5, 783838), (10, 391919), (11, 356290), (22, 178145), (41, 95590), (55, 71258), (79, 49610), (82, 47795), (110, 35629), (121, 32390), (158, 24805), (205, 19118), (242, 16195), (395, 9922), (410, 9559), (451, 8690), (605, 6478), (790, 4961), (869, 4510), (902, 4345), (1210, 3239), (1738, 2255)]