393852020

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{184043}}^1$

素因数の和:184159

約数の個数: 24

約数和(自身を含む): 834823584

約数和(自身を除く): 440971564

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 184043, 368086, 736172, 920215, 1840430, 3680860, 19692601, 39385202, 78770404, 98463005, 196926010, 393852020]

約数ペア:

[(1, 393852020), (2, 196926010), (4, 98463005), (5, 78770404), (10, 39385202), (20, 19692601), (107, 3680860), (214, 1840430), (428, 920215), (535, 736172), (1070, 368086), (2140, 184043)]