388664910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{21701}}^1$

素因数の和:21913

約数の個数: 48

約数和(自身を含む): 1015653600

約数和(自身を除く): 626988690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199, 398, 597, 995, 1194, 1791, 1990, 2985, 3582, 5970, 8955, 17910, 21701, 43402, 65103, 108505, 130206, 195309, 217010, 325515, 390618, 651030, 976545, 1953090, 4318499, 8636998, 12955497, 21592495, 25910994, 38866491, 43184990, 64777485, 77732982, 129554970, 194332455, 388664910]

約数ペア:

[(1, 388664910), (2, 194332455), (3, 129554970), (5, 77732982), (6, 64777485), (9, 43184990), (10, 38866491), (15, 25910994), (18, 21592495), (30, 12955497), (45, 8636998), (90, 4318499), (199, 1953090), (398, 976545), (597, 651030), (995, 390618), (1194, 325515), (1791, 217010), (1990, 195309), (2985, 130206), (3582, 108505), (5970, 65103), (8955, 43402), (17910, 21701)]