81668350

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 158605920

約数和(自身を除く): 76937570

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 151, 290, 302, 373, 725, 746, 755, 1450, 1510, 1865, 3730, 3775, 4379, 7550, 8758, 9325, 10817, 18650, 21634, 21895, 43790, 54085, 56323, 108170, 109475, 112646, 218950, 270425, 281615, 540850, 563230, 1408075, 1633367, 2816150, 3266734, 8166835, 16333670, 40834175, 81668350]

約数ペア:

[(1, 81668350), (2, 40834175), (5, 16333670), (10, 8166835), (25, 3266734), (29, 2816150), (50, 1633367), (58, 1408075), (145, 563230), (151, 540850), (290, 281615), (302, 270425), (373, 218950), (725, 112646), (746, 109475), (755, 108170), (1450, 56323), (1510, 54085), (1865, 43790), (3730, 21895), (3775, 21634), (4379, 18650), (7550, 10817), (8758, 9325)]