4477480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{15991}}^1$

素因数の和:16009

約数の個数: 32

約数和(自身を含む): 11514240

約数和(自身を除く): 7036760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 15991, 31982, 63964, 79955, 111937, 127928, 159910, 223874, 319820, 447748, 559685, 639640, 895496, 1119370, 2238740, 4477480]

約数ペア:

[(1, 4477480), (2, 2238740), (4, 1119370), (5, 895496), (7, 639640), (8, 559685), (10, 447748), (14, 319820), (20, 223874), (28, 159910), (35, 127928), (40, 111937), (56, 79955), (70, 63964), (140, 31982), (280, 15991)]