788805730

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{400409}}^1$

素因数の和:400613

約数の個数: 16

約数和(自身を含む): 1427061240

約数和(自身を除く): 638255510

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 400409, 800818, 2002045, 4004090, 78880573, 157761146, 394402865, 788805730]

約数ペア:

[(1, 788805730), (2, 394402865), (5, 157761146), (10, 78880573), (197, 4004090), (394, 2002045), (985, 800818), (1970, 400409)]