144785180

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{52081}}^1$

素因数の和:52229

約数の個数: 24

約数和(自身を含む): 306242160

約数和(自身を除く): 161456980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 52081, 104162, 208324, 260405, 520810, 1041620, 7239259, 14478518, 28957036, 36196295, 72392590, 144785180]

約数ペア:

[(1, 144785180), (2, 72392590), (4, 36196295), (5, 28957036), (10, 14478518), (20, 7239259), (139, 1041620), (278, 520810), (556, 260405), (695, 208324), (1390, 104162), (2780, 52081)]