201997480

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{18773}}^1$

素因数の和:19053

約数の個数: 32

約数和(自身を含む): 456208200

約数和(自身を除く): 254210720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 10760, 18773, 37546, 75092, 93865, 150184, 187730, 375460, 750920, 5049937, 10099874, 20199748, 25249685, 40399496, 50499370, 100998740, 201997480]

約数ペア:

[(1, 201997480), (2, 100998740), (4, 50499370), (5, 40399496), (8, 25249685), (10, 20199748), (20, 10099874), (40, 5049937), (269, 750920), (538, 375460), (1076, 187730), (1345, 150184), (2152, 93865), (2690, 75092), (5380, 37546), (10760, 18773)]