258520250

素因数分解:

$2^1\times 5^3\times {\mathrm{571}}^1\times {\mathrm{1811}}^1$

素因数の和:2399

約数の個数: 32

約数和(自身を含む): 485065152

約数和(自身を除く): 226544902

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 571, 1142, 1811, 2855, 3622, 5710, 9055, 14275, 18110, 28550, 45275, 71375, 90550, 142750, 226375, 452750, 1034081, 2068162, 5170405, 10340810, 25852025, 51704050, 129260125, 258520250]

約数ペア:

[(1, 258520250), (2, 129260125), (5, 51704050), (10, 25852025), (25, 10340810), (50, 5170405), (125, 2068162), (250, 1034081), (571, 452750), (1142, 226375), (1811, 142750), (2855, 90550), (3622, 71375), (5710, 45275), (9055, 28550), (14275, 18110)]