1919960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{6857}}^1$

素因数の和:6875

約数の個数: 32

約数和(自身を含む): 4937760

約数和(自身を除く): 3017800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 6857, 13714, 27428, 34285, 47999, 54856, 68570, 95998, 137140, 191996, 239995, 274280, 383992, 479990, 959980, 1919960]

約数ペア:

[(1, 1919960), (2, 959980), (4, 479990), (5, 383992), (7, 274280), (8, 239995), (10, 191996), (14, 137140), (20, 95998), (28, 68570), (35, 54856), (40, 47999), (56, 34285), (70, 27428), (140, 13714), (280, 6857)]