201670904980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{72543491}}^1$

素因数の和:72543639

約数の個数: 24

約数和(自身を含む): 426555732960

約数和(自身を除く): 224884827980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 72543491, 145086982, 290173964, 362717455, 725434910, 1450869820, 10083545249, 20167090498, 40334180996, 50417726245, 100835452490, 201670904980]

約数ペア:

[(1, 201670904980), (2, 100835452490), (4, 50417726245), (5, 40334180996), (10, 20167090498), (20, 10083545249), (139, 1450869820), (278, 725434910), (556, 362717455), (695, 290173964), (1390, 145086982), (2780, 72543491)]