208713340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{4967}}^1$

素因数の和:5178

約数の個数: 48

約数和(自身を含む): 480743424

約数和(自身を除く): 272030084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 191, 220, 382, 764, 955, 1910, 2101, 3820, 4202, 4967, 8404, 9934, 10505, 19868, 21010, 24835, 42020, 49670, 54637, 99340, 109274, 218548, 273185, 546370, 948697, 1092740, 1897394, 3794788, 4743485, 9486970, 10435667, 18973940, 20871334, 41742668, 52178335, 104356670, 208713340]

約数ペア:

[(1, 208713340), (2, 104356670), (4, 52178335), (5, 41742668), (10, 20871334), (11, 18973940), (20, 10435667), (22, 9486970), (44, 4743485), (55, 3794788), (110, 1897394), (191, 1092740), (220, 948697), (382, 546370), (764, 273185), (955, 218548), (1910, 109274), (2101, 99340), (3820, 54637), (4202, 49670), (4967, 42020), (8404, 24835), (9934, 21010), (10505, 19868)]