129508780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223291}}^1$

素因数の和:223329

約数の個数: 24

約数和(自身を含む): 281347920

約数和(自身を除く): 151839140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 223291, 446582, 893164, 1116455, 2232910, 4465820, 6475439, 12950878, 25901756, 32377195, 64754390, 129508780]

約数ペア:

[(1, 129508780), (2, 64754390), (4, 32377195), (5, 25901756), (10, 12950878), (20, 6475439), (29, 4465820), (58, 2232910), (116, 1116455), (145, 893164), (290, 446582), (580, 223291)]