257029100

素因数分解:

$2^2\times 5^2\times {\mathrm{541}}^1\times {\mathrm{4751}}^1$

素因数の和:5306

約数の個数: 36

約数和(自身を含む): 558901728

約数和(自身を除く): 301872628

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 541, 1082, 2164, 2705, 4751, 5410, 9502, 10820, 13525, 19004, 23755, 27050, 47510, 54100, 95020, 118775, 237550, 475100, 2570291, 5140582, 10281164, 12851455, 25702910, 51405820, 64257275, 128514550, 257029100]

約数ペア:

[(1, 257029100), (2, 128514550), (4, 64257275), (5, 51405820), (10, 25702910), (20, 12851455), (25, 10281164), (50, 5140582), (100, 2570291), (541, 475100), (1082, 237550), (2164, 118775), (2705, 95020), (4751, 54100), (5410, 47510), (9502, 27050), (10820, 23755), (13525, 19004)]