388436020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2774543}}^1$

素因数の和:2774559

約数の個数: 24

約数和(自身を含む): 932246784

約数和(自身を除く): 543810764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2774543, 5549086, 11098172, 13872715, 19421801, 27745430, 38843602, 55490860, 77687204, 97109005, 194218010, 388436020]

約数ペア:

[(1, 388436020), (2, 194218010), (4, 97109005), (5, 77687204), (7, 55490860), (10, 38843602), (14, 27745430), (20, 19421801), (28, 13872715), (35, 11098172), (70, 5549086), (140, 2774543)]