61548620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3209}}^1$

素因数の和:3362

約数の個数: 48

約数和(自身を含む): 148841280

約数和(自身を除く): 87292660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3209, 3836, 4795, 6418, 9590, 12836, 16045, 19180, 22463, 32090, 44926, 64180, 89852, 112315, 224630, 439633, 449260, 879266, 1758532, 2198165, 3077431, 4396330, 6154862, 8792660, 12309724, 15387155, 30774310, 61548620]

約数ペア:

[(1, 61548620), (2, 30774310), (4, 15387155), (5, 12309724), (7, 8792660), (10, 6154862), (14, 4396330), (20, 3077431), (28, 2198165), (35, 1758532), (70, 879266), (137, 449260), (140, 439633), (274, 224630), (548, 112315), (685, 89852), (959, 64180), (1370, 44926), (1918, 32090), (2740, 22463), (3209, 19180), (3836, 16045), (4795, 12836), (6418, 9590)]