71779225

素因数分解:

$5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 106064640

約数和(自身を除く): 34285415

約数列:

[1, 5, 7, 25, 35, 53, 71, 109, 175, 265, 355, 371, 497, 545, 763, 1325, 1775, 1855, 2485, 2725, 3763, 3815, 5777, 7739, 9275, 12425, 18815, 19075, 26341, 28885, 38695, 40439, 54173, 94075, 131705, 144425, 193475, 202195, 270865, 410167, 658525, 1010975, 1354325, 2050835, 2871169, 10254175, 14355845, 71779225]

約数ペア:

[(1, 71779225), (5, 14355845), (7, 10254175), (25, 2871169), (35, 2050835), (53, 1354325), (71, 1010975), (109, 658525), (175, 410167), (265, 270865), (355, 202195), (371, 193475), (497, 144425), (545, 131705), (763, 94075), (1325, 54173), (1775, 40439), (1855, 38695), (2485, 28885), (2725, 26341), (3763, 19075), (3815, 18815), (5777, 12425), (7739, 9275)]