388768140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{719941}}^1$

素因数の和:719959

約数の個数: 48

約数和(自身を含む): 1209502560

約数和(自身を除く): 820734420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 719941, 1439882, 2159823, 2879764, 3599705, 4319646, 6479469, 7199410, 8639292, 10799115, 12958938, 14398820, 19438407, 21598230, 25917876, 32397345, 38876814, 43196460, 64794690, 77753628, 97192035, 129589380, 194384070, 388768140]

約数ペア:

[(1, 388768140), (2, 194384070), (3, 129589380), (4, 97192035), (5, 77753628), (6, 64794690), (9, 43196460), (10, 38876814), (12, 32397345), (15, 25917876), (18, 21598230), (20, 19438407), (27, 14398820), (30, 12958938), (36, 10799115), (45, 8639292), (54, 7199410), (60, 6479469), (90, 4319646), (108, 3599705), (135, 2879764), (180, 2159823), (270, 1439882), (540, 719941)]