129701980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{341321}}^1$

素因数の和:341349

約数の個数: 24

約数和(自身を含む): 286710480

約数和(自身を除く): 157008500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 341321, 682642, 1365284, 1706605, 3413210, 6485099, 6826420, 12970198, 25940396, 32425495, 64850990, 129701980]

約数ペア:

[(1, 129701980), (2, 64850990), (4, 32425495), (5, 25940396), (10, 12970198), (19, 6826420), (20, 6485099), (38, 3413210), (76, 1706605), (95, 1365284), (190, 682642), (380, 341321)]