2782940

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{401}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 5875632

約数和(自身を除く): 3092692

約数列:

[1, 2, 4, 5, 10, 20, 347, 401, 694, 802, 1388, 1604, 1735, 2005, 3470, 4010, 6940, 8020, 139147, 278294, 556588, 695735, 1391470, 2782940]

約数ペア:

[(1, 2782940), (2, 1391470), (4, 695735), (5, 556588), (10, 278294), (20, 139147), (347, 8020), (401, 6940), (694, 4010), (802, 3470), (1388, 2005), (1604, 1735)]