81802700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{853}}^1$

素因数の和:1011

約数の個数: 72

約数和(自身を含む): 204591072

約数和(自身を除く): 122788372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 137, 140, 175, 274, 350, 548, 685, 700, 853, 959, 1370, 1706, 1918, 2740, 3412, 3425, 3836, 4265, 4795, 5971, 6850, 8530, 9590, 11942, 13700, 17060, 19180, 21325, 23884, 23975, 29855, 42650, 47950, 59710, 85300, 95900, 116861, 119420, 149275, 233722, 298550, 467444, 584305, 597100, 818027, 1168610, 1636054, 2337220, 2921525, 3272108, 4090135, 5843050, 8180270, 11686100, 16360540, 20450675, 40901350, 81802700]

約数ペア:

[(1, 81802700), (2, 40901350), (4, 20450675), (5, 16360540), (7, 11686100), (10, 8180270), (14, 5843050), (20, 4090135), (25, 3272108), (28, 2921525), (35, 2337220), (50, 1636054), (70, 1168610), (100, 818027), (137, 597100), (140, 584305), (175, 467444), (274, 298550), (350, 233722), (548, 149275), (685, 119420), (700, 116861), (853, 95900), (959, 85300), (1370, 59710), (1706, 47950), (1918, 42650), (2740, 29855), (3412, 23975), (3425, 23884), (3836, 21325), (4265, 19180), (4795, 17060), (5971, 13700), (6850, 11942), (8530, 9590)]