256297725

素因数分解:

$3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{14419}}^1$

素因数の和:14514

約数の個数: 36

約数和(自身を含む): 464900800

約数和(自身を除く): 208603075

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 225, 237, 395, 711, 1185, 1975, 3555, 5925, 14419, 17775, 43257, 72095, 129771, 216285, 360475, 648855, 1081425, 1139101, 3244275, 3417303, 5695505, 10251909, 17086515, 28477525, 51259545, 85432575, 256297725]

約数ペア:

[(1, 256297725), (3, 85432575), (5, 51259545), (9, 28477525), (15, 17086515), (25, 10251909), (45, 5695505), (75, 3417303), (79, 3244275), (225, 1139101), (237, 1081425), (395, 648855), (711, 360475), (1185, 216285), (1975, 129771), (3555, 72095), (5925, 43257), (14419, 17775)]