280046690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{991}}^1$

素因数の和:1383

約数の個数: 64

約数和(自身を含む): 630816768

約数和(自身を除く): 350770078

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 367, 385, 734, 770, 991, 1835, 1982, 2569, 3670, 4037, 4955, 5138, 6937, 8074, 9910, 10901, 12845, 13874, 20185, 21802, 25690, 28259, 34685, 40370, 54505, 56518, 69370, 76307, 109010, 141295, 152614, 282590, 363697, 381535, 727394, 763070, 1818485, 2545879, 3636970, 4000667, 5091758, 8001334, 12729395, 20003335, 25458790, 28004669, 40006670, 56009338, 140023345, 280046690]

約数ペア:

[(1, 280046690), (2, 140023345), (5, 56009338), (7, 40006670), (10, 28004669), (11, 25458790), (14, 20003335), (22, 12729395), (35, 8001334), (55, 5091758), (70, 4000667), (77, 3636970), (110, 2545879), (154, 1818485), (367, 763070), (385, 727394), (734, 381535), (770, 363697), (991, 282590), (1835, 152614), (1982, 141295), (2569, 109010), (3670, 76307), (4037, 69370), (4955, 56518), (5138, 54505), (6937, 40370), (8074, 34685), (9910, 28259), (10901, 25690), (12845, 21802), (13874, 20185)]