195439780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1\times {\mathrm{337}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 417021696

約数和(自身を除く): 221581916

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 271, 337, 428, 535, 542, 674, 1070, 1084, 1348, 1355, 1685, 2140, 2710, 3370, 5420, 6740, 28997, 36059, 57994, 72118, 91327, 115988, 144236, 144985, 180295, 182654, 289970, 360590, 365308, 456635, 579940, 721180, 913270, 1826540, 9771989, 19543978, 39087956, 48859945, 97719890, 195439780]

約数ペア:

[(1, 195439780), (2, 97719890), (4, 48859945), (5, 39087956), (10, 19543978), (20, 9771989), (107, 1826540), (214, 913270), (271, 721180), (337, 579940), (428, 456635), (535, 365308), (542, 360590), (674, 289970), (1070, 182654), (1084, 180295), (1348, 144985), (1355, 144236), (1685, 115988), (2140, 91327), (2710, 72118), (3370, 57994), (5420, 36059), (6740, 28997)]