201380255980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{72438941}}^1$

素因数の和:72439089

約数の個数: 24

約数和(自身を含む): 425940978960

約数和(自身を除く): 224560722980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 72438941, 144877882, 289755764, 362194705, 724389410, 1448778820, 10069012799, 20138025598, 40276051196, 50345063995, 100690127990, 201380255980]

約数ペア:

[(1, 201380255980), (2, 100690127990), (4, 50345063995), (5, 40276051196), (10, 20138025598), (20, 10069012799), (139, 1448778820), (278, 724389410), (556, 362194705), (695, 289755764), (1390, 144877882), (2780, 72438941)]