57179780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{408427}}^1$

素因数の和:408443

約数の個数: 24

約数和(自身を含む): 137231808

約数和(自身を除く): 80052028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 408427, 816854, 1633708, 2042135, 2858989, 4084270, 5717978, 8168540, 11435956, 14294945, 28589890, 57179780]

約数ペア:

[(1, 57179780), (2, 28589890), (4, 14294945), (5, 11435956), (7, 8168540), (10, 5717978), (14, 4084270), (20, 2858989), (28, 2042135), (35, 1633708), (70, 816854), (140, 408427)]