90159700

素因数分解:

$2^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{6581}}^1$

素因数の和:6732

約数の個数: 36

約数和(自身を含む): 197104572

約数和(自身を除く): 106944872

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 137, 274, 548, 685, 1370, 2740, 3425, 6581, 6850, 13162, 13700, 26324, 32905, 65810, 131620, 164525, 329050, 658100, 901597, 1803194, 3606388, 4507985, 9015970, 18031940, 22539925, 45079850, 90159700]

約数ペア:

[(1, 90159700), (2, 45079850), (4, 22539925), (5, 18031940), (10, 9015970), (20, 4507985), (25, 3606388), (50, 1803194), (100, 901597), (137, 658100), (274, 329050), (548, 164525), (685, 131620), (1370, 65810), (2740, 32905), (3425, 26324), (6581, 13700), (6850, 13162)]