247920798940

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{3259}}^1\times {\mathrm{5147}}^1$

素因数の和:9154

約数の個数: 48

約数和(自身を含む): 521599478400

約数和(自身を除く): 273678679460

約数列:

[1, 2, 4, 5, 10, 20, 739, 1478, 2956, 3259, 3695, 5147, 6518, 7390, 10294, 13036, 14780, 16295, 20588, 25735, 32590, 51470, 65180, 102940, 2408401, 3803633, 4816802, 7607266, 9633604, 12042005, 15214532, 16774073, 19018165, 24084010, 33548146, 38036330, 48168020, 67096292, 76072660, 83870365, 167740730, 335481460, 12396039947, 24792079894, 49584159788, 61980199735, 123960399470, 247920798940]

約数ペア:

[(1, 247920798940), (2, 123960399470), (4, 61980199735), (5, 49584159788), (10, 24792079894), (20, 12396039947), (739, 335481460), (1478, 167740730), (2956, 83870365), (3259, 76072660), (3695, 67096292), (5147, 48168020), (6518, 38036330), (7390, 33548146), (10294, 24084010), (13036, 19018165), (14780, 16774073), (16295, 15214532), (20588, 12042005), (25735, 9633604), (32590, 7607266), (51470, 4816802), (65180, 3803633), (102940, 2408401)]