129121130

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{307}}^2$

素因数の和:758

約数の個数: 24

約数和(自身を含む): 234879588

約数和(自身を除く): 105758458

約数列:

[1, 2, 5, 10, 137, 274, 307, 614, 685, 1370, 1535, 3070, 42059, 84118, 94249, 188498, 210295, 420590, 471245, 942490, 12912113, 25824226, 64560565, 129121130]

約数ペア:

[(1, 129121130), (2, 64560565), (5, 25824226), (10, 12912113), (137, 942490), (274, 471245), (307, 420590), (614, 210295), (685, 188498), (1370, 94249), (1535, 84118), (3070, 42059)]