2705980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7121}}^1$

素因数の和:7149

約数の個数: 24

約数和(自身を含む): 5982480

約数和(自身を除く): 3276500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 7121, 14242, 28484, 35605, 71210, 135299, 142420, 270598, 541196, 676495, 1352990, 2705980]

約数ペア:

[(1, 2705980), (2, 1352990), (4, 676495), (5, 541196), (10, 270598), (19, 142420), (20, 135299), (38, 71210), (76, 35605), (95, 28484), (190, 14242), (380, 7121)]