901989070

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{15091}}^1$

素因数の和:15280

約数の個数: 32

約数和(自身を含む): 1673400960

約数和(自身を除く): 771411890

約数列:

[1, 2, 5, 10, 43, 86, 139, 215, 278, 430, 695, 1390, 5977, 11954, 15091, 29885, 30182, 59770, 75455, 150910, 648913, 1297826, 2097649, 3244565, 4195298, 6489130, 10488245, 20976490, 90198907, 180397814, 450994535, 901989070]

約数ペア:

[(1, 901989070), (2, 450994535), (5, 180397814), (10, 90198907), (43, 20976490), (86, 10488245), (139, 6489130), (215, 4195298), (278, 3244565), (430, 2097649), (695, 1297826), (1390, 648913), (5977, 150910), (11954, 75455), (15091, 59770), (29885, 30182)]