207987180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{203909}}^1$

素因数の和:203938

約数の個数: 48

約数和(自身を含む): 616623840

約数和(自身を除く): 408636660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 203909, 407818, 611727, 815636, 1019545, 1223454, 2039090, 2446908, 3058635, 3466453, 4078180, 6117270, 6932906, 10399359, 12234540, 13865812, 17332265, 20798718, 34664530, 41597436, 51996795, 69329060, 103993590, 207987180]

約数ペア:

[(1, 207987180), (2, 103993590), (3, 69329060), (4, 51996795), (5, 41597436), (6, 34664530), (10, 20798718), (12, 17332265), (15, 13865812), (17, 12234540), (20, 10399359), (30, 6932906), (34, 6117270), (51, 4078180), (60, 3466453), (68, 3058635), (85, 2446908), (102, 2039090), (170, 1223454), (204, 1019545), (255, 815636), (340, 611727), (510, 407818), (1020, 203909)]