128224225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 173560320

約数和(自身を除く): 45336095

約数列:

[1, 5, 25, 29, 47, 53, 71, 145, 235, 265, 355, 725, 1175, 1325, 1363, 1537, 1775, 2059, 2491, 3337, 3763, 6815, 7685, 10295, 12455, 16685, 18815, 34075, 38425, 51475, 62275, 72239, 83425, 94075, 96773, 109127, 176861, 361195, 483865, 545635, 884305, 1805975, 2419325, 2728175, 4421525, 5128969, 25644845, 128224225]

約数ペア:

[(1, 128224225), (5, 25644845), (25, 5128969), (29, 4421525), (47, 2728175), (53, 2419325), (71, 1805975), (145, 884305), (235, 545635), (265, 483865), (355, 361195), (725, 176861), (1175, 109127), (1325, 96773), (1363, 94075), (1537, 83425), (1775, 72239), (2059, 62275), (2491, 51475), (3337, 38425), (3763, 34075), (6815, 18815), (7685, 16685), (10295, 12455)]