1570987180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{158047}}^1$

素因数の和:158134

約数の個数: 48

約数和(自身を含む): 3823497216

約数和(自身を除く): 2252510036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 158047, 316094, 632188, 790235, 1106329, 1580470, 2212658, 3160940, 4425316, 5531645, 11063290, 11221337, 22126580, 22442674, 44885348, 56106685, 78549359, 112213370, 157098718, 224426740, 314197436, 392746795, 785493590, 1570987180]

約数ペア:

[(1, 1570987180), (2, 785493590), (4, 392746795), (5, 314197436), (7, 224426740), (10, 157098718), (14, 112213370), (20, 78549359), (28, 56106685), (35, 44885348), (70, 22442674), (71, 22126580), (140, 11221337), (142, 11063290), (284, 5531645), (355, 4425316), (497, 3160940), (710, 2212658), (994, 1580470), (1420, 1106329), (1988, 790235), (2485, 632188), (4970, 316094), (9940, 158047)]