216264550

素因数分解:

$2^1\times 5^2\times {\mathrm{389}}^1\times {\mathrm{11119}}^1$

素因数の和:11520

約数の個数: 24

約数和(自身を含む): 403322400

約数和(自身を除く): 187057850

約数列:

[1, 2, 5, 10, 25, 50, 389, 778, 1945, 3890, 9725, 11119, 19450, 22238, 55595, 111190, 277975, 555950, 4325291, 8650582, 21626455, 43252910, 108132275, 216264550]

約数ペア:

[(1, 216264550), (2, 108132275), (5, 43252910), (10, 21626455), (25, 8650582), (50, 4325291), (389, 555950), (778, 277975), (1945, 111190), (3890, 55595), (9725, 22238), (11119, 19450)]