74290990

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 135864864

約数和(自身を除く): 61573874

約数列:

[1, 2, 5, 10, 137, 211, 257, 274, 422, 514, 685, 1055, 1285, 1370, 2110, 2570, 28907, 35209, 54227, 57814, 70418, 108454, 144535, 176045, 271135, 289070, 352090, 542270, 7429099, 14858198, 37145495, 74290990]

約数ペア:

[(1, 74290990), (2, 37145495), (5, 14858198), (10, 7429099), (137, 542270), (211, 352090), (257, 289070), (274, 271135), (422, 176045), (514, 144535), (685, 108454), (1055, 70418), (1285, 57814), (1370, 54227), (2110, 35209), (2570, 28907)]