201331450

素因数分解:

$2^1\times 5^2\times {\mathrm{1291}}^1\times {\mathrm{3119}}^1$

素因数の和:4422

約数の個数: 24

約数和(自身を含む): 374886720

約数和(自身を除く): 173555270

約数列:

[1, 2, 5, 10, 25, 50, 1291, 2582, 3119, 6238, 6455, 12910, 15595, 31190, 32275, 64550, 77975, 155950, 4026629, 8053258, 20133145, 40266290, 100665725, 201331450]

約数ペア:

[(1, 201331450), (2, 100665725), (5, 40266290), (10, 20133145), (25, 8053258), (50, 4026629), (1291, 155950), (2582, 77975), (3119, 64550), (6238, 32275), (6455, 31190), (12910, 15595)]