201998120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{265787}}^1$

素因数の和:265817

約数の個数: 32

約数和(自身を含む): 478418400

約数和(自身を除く): 276420280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 265787, 531574, 1063148, 1328935, 2126296, 2657870, 5049953, 5315740, 10099906, 10631480, 20199812, 25249765, 40399624, 50499530, 100999060, 201998120]

約数ペア:

[(1, 201998120), (2, 100999060), (4, 50499530), (5, 40399624), (8, 25249765), (10, 20199812), (19, 10631480), (20, 10099906), (38, 5315740), (40, 5049953), (76, 2657870), (95, 2126296), (152, 1328935), (190, 1063148), (380, 531574), (760, 265787)]