138386975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 192844800

約数和(自身を除く): 54457825

約数列:

[1, 5, 19, 23, 25, 53, 95, 115, 239, 265, 437, 475, 575, 1007, 1195, 1219, 1325, 2185, 4541, 5035, 5497, 5975, 6095, 10925, 12667, 22705, 23161, 25175, 27485, 30475, 63335, 104443, 113525, 115805, 137425, 240673, 291341, 316675, 522215, 579025, 1203365, 1456705, 2611075, 5535479, 6016825, 7283525, 27677395, 138386975]

約数ペア:

[(1, 138386975), (5, 27677395), (19, 7283525), (23, 6016825), (25, 5535479), (53, 2611075), (95, 1456705), (115, 1203365), (239, 579025), (265, 522215), (437, 316675), (475, 291341), (575, 240673), (1007, 137425), (1195, 115805), (1219, 113525), (1325, 104443), (2185, 63335), (4541, 30475), (5035, 27485), (5497, 25175), (5975, 23161), (6095, 22705), (10925, 12667)]