491232280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{159491}}^1$

素因数の和:159520

約数の個数: 64

約数和(自身を含む): 1378010880

約数和(自身を除く): 886778600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 159491, 318982, 637964, 797455, 1116437, 1275928, 1594910, 1754401, 2232874, 3189820, 3508802, 4465748, 5582185, 6379640, 7017604, 8772005, 8931496, 11164370, 12280807, 14035208, 17544010, 22328740, 24561614, 35088020, 44657480, 49123228, 61404035, 70176040, 98246456, 122808070, 245616140, 491232280]

約数ペア:

[(1, 491232280), (2, 245616140), (4, 122808070), (5, 98246456), (7, 70176040), (8, 61404035), (10, 49123228), (11, 44657480), (14, 35088020), (20, 24561614), (22, 22328740), (28, 17544010), (35, 14035208), (40, 12280807), (44, 11164370), (55, 8931496), (56, 8772005), (70, 7017604), (77, 6379640), (88, 5582185), (110, 4465748), (140, 3508802), (154, 3189820), (220, 2232874), (280, 1754401), (308, 1594910), (385, 1275928), (440, 1116437), (616, 797455), (770, 637964), (1540, 318982), (3080, 159491)]