127208420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{334759}}^1$

素因数の和:334787

約数の個数: 24

約数和(自身を含む): 281198400

約数和(自身を除く): 153989980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 334759, 669518, 1339036, 1673795, 3347590, 6360421, 6695180, 12720842, 25441684, 31802105, 63604210, 127208420]

約数ペア:

[(1, 127208420), (2, 63604210), (4, 31802105), (5, 25441684), (10, 12720842), (19, 6695180), (20, 6360421), (38, 3347590), (76, 1673795), (95, 1339036), (190, 669518), (380, 334759)]