254260075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{13913}}^1$

素因数の和:13983

約数の個数: 24

約数和(自身を含む): 341616528

約数和(自身を除く): 87356453

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 3655, 13913, 18275, 69565, 236521, 347825, 598259, 1182605, 2991295, 5913025, 10170403, 14956475, 50852015, 254260075]

約数ペア:

[(1, 254260075), (5, 50852015), (17, 14956475), (25, 10170403), (43, 5913025), (85, 2991295), (215, 1182605), (425, 598259), (731, 347825), (1075, 236521), (3655, 69565), (13913, 18275)]