88880680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{317431}}^1$

素因数の和:317449

約数の個数: 32

約数和(自身を含む): 228551040

約数和(自身を除く): 139670360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 317431, 634862, 1269724, 1587155, 2222017, 2539448, 3174310, 4444034, 6348620, 8888068, 11110085, 12697240, 17776136, 22220170, 44440340, 88880680]

約数ペア:

[(1, 88880680), (2, 44440340), (4, 22220170), (5, 17776136), (7, 12697240), (8, 11110085), (10, 8888068), (14, 6348620), (20, 4444034), (28, 3174310), (35, 2539448), (40, 2222017), (56, 1587155), (70, 1269724), (140, 634862), (280, 317431)]