198787400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{141991}}^1$

素因数の和:142014

約数の個数: 48

約数和(自身を含む): 528210240

約数和(自身を除く): 329422840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 141991, 283982, 567964, 709955, 993937, 1135928, 1419910, 1987874, 2839820, 3549775, 3975748, 4969685, 5679640, 7099550, 7951496, 9939370, 14199100, 19878740, 24848425, 28398200, 39757480, 49696850, 99393700, 198787400]

約数ペア:

[(1, 198787400), (2, 99393700), (4, 49696850), (5, 39757480), (7, 28398200), (8, 24848425), (10, 19878740), (14, 14199100), (20, 9939370), (25, 7951496), (28, 7099550), (35, 5679640), (40, 4969685), (50, 3975748), (56, 3549775), (70, 2839820), (100, 1987874), (140, 1419910), (175, 1135928), (200, 993937), (280, 709955), (350, 567964), (700, 283982), (1400, 141991)]