205399250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{117371}}^1$

素因数の和:117395

約数の個数: 32

約数和(自身を含む): 439440768

約数和(自身を除く): 234041518

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, 1750, 117371, 234742, 586855, 821597, 1173710, 1643194, 2934275, 4107985, 5868550, 8215970, 14671375, 20539925, 29342750, 41079850, 102699625, 205399250]

約数ペア:

[(1, 205399250), (2, 102699625), (5, 41079850), (7, 29342750), (10, 20539925), (14, 14671375), (25, 8215970), (35, 5868550), (50, 4107985), (70, 2934275), (125, 1643194), (175, 1173710), (250, 821597), (350, 586855), (875, 234742), (1750, 117371)]