61502980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{39937}}^1$

素因数の和:39964

約数の個数: 48

約数和(自身を含む): 161030016

約数和(自身を除く): 99527036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 39937, 79874, 159748, 199685, 279559, 399370, 439307, 559118, 798740, 878614, 1118236, 1397795, 1757228, 2196535, 2795590, 3075149, 4393070, 5591180, 6150298, 8786140, 12300596, 15375745, 30751490, 61502980]

約数ペア:

[(1, 61502980), (2, 30751490), (4, 15375745), (5, 12300596), (7, 8786140), (10, 6150298), (11, 5591180), (14, 4393070), (20, 3075149), (22, 2795590), (28, 2196535), (35, 1757228), (44, 1397795), (55, 1118236), (70, 878614), (77, 798740), (110, 559118), (140, 439307), (154, 399370), (220, 279559), (308, 199685), (385, 159748), (770, 79874), (1540, 39937)]