128958100

素因数分解:

$2^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{9413}}^1$

素因数の和:9564

約数の個数: 36

約数和(自身を含む): 281911644

約数和(自身を除く): 152953544

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 137, 274, 548, 685, 1370, 2740, 3425, 6850, 9413, 13700, 18826, 37652, 47065, 94130, 188260, 235325, 470650, 941300, 1289581, 2579162, 5158324, 6447905, 12895810, 25791620, 32239525, 64479050, 128958100]

約数ペア:

[(1, 128958100), (2, 64479050), (4, 32239525), (5, 25791620), (10, 12895810), (20, 6447905), (25, 5158324), (50, 2579162), (100, 1289581), (137, 941300), (274, 470650), (548, 235325), (685, 188260), (1370, 94130), (2740, 47065), (3425, 37652), (6850, 18826), (9413, 13700)]