200897480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{717491}}^1$

素因数の和:717509

約数の個数: 32

約数和(自身を含む): 516594240

約数和(自身を除く): 315696760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 717491, 1434982, 2869964, 3587455, 5022437, 5739928, 7174910, 10044874, 14349820, 20089748, 25112185, 28699640, 40179496, 50224370, 100448740, 200897480]

約数ペア:

[(1, 200897480), (2, 100448740), (4, 50224370), (5, 40179496), (7, 28699640), (8, 25112185), (10, 20089748), (14, 14349820), (20, 10044874), (28, 7174910), (35, 5739928), (40, 5022437), (56, 3587455), (70, 2869964), (140, 1434982), (280, 717491)]