1815446780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{67189}}^1$

素因数の和:67398

約数の個数: 48

約数和(自身を含む): 4379712960

約数和(自身を除く): 2564266180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1930, 2702, 3860, 5404, 6755, 13510, 27020, 67189, 134378, 268756, 335945, 470323, 671890, 940646, 1343780, 1881292, 2351615, 4703230, 9406460, 12967477, 25934954, 51869908, 64837385, 90772339, 129674770, 181544678, 259349540, 363089356, 453861695, 907723390, 1815446780]

約数ペア:

[(1, 1815446780), (2, 907723390), (4, 453861695), (5, 363089356), (7, 259349540), (10, 181544678), (14, 129674770), (20, 90772339), (28, 64837385), (35, 51869908), (70, 25934954), (140, 12967477), (193, 9406460), (386, 4703230), (772, 2351615), (965, 1881292), (1351, 1343780), (1930, 940646), (2702, 671890), (3860, 470323), (5404, 335945), (6755, 268756), (13510, 134378), (27020, 67189)]