209997240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{18041}}^1$

素因数の和:18152

約数の個数: 64

約数和(自身を含む): 636521760

約数和(自身を除く): 426524520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2910, 3880, 5820, 11640, 18041, 36082, 54123, 72164, 90205, 108246, 144328, 180410, 216492, 270615, 360820, 432984, 541230, 721640, 1082460, 1749977, 2164920, 3499954, 5249931, 6999908, 8749885, 10499862, 13999816, 17499770, 20999724, 26249655, 34999540, 41999448, 52499310, 69999080, 104998620, 209997240]

約数ペア:

[(1, 209997240), (2, 104998620), (3, 69999080), (4, 52499310), (5, 41999448), (6, 34999540), (8, 26249655), (10, 20999724), (12, 17499770), (15, 13999816), (20, 10499862), (24, 8749885), (30, 6999908), (40, 5249931), (60, 3499954), (97, 2164920), (120, 1749977), (194, 1082460), (291, 721640), (388, 541230), (485, 432984), (582, 360820), (776, 270615), (970, 216492), (1164, 180410), (1455, 144328), (1940, 108246), (2328, 90205), (2910, 72164), (3880, 54123), (5820, 36082), (11640, 18041)]