7891660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{56369}}^1$

素因数の和:56385

約数の個数: 24

約数和(自身を含む): 18940320

約数和(自身を除く): 11048660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 56369, 112738, 225476, 281845, 394583, 563690, 789166, 1127380, 1578332, 1972915, 3945830, 7891660]

約数ペア:

[(1, 7891660), (2, 3945830), (4, 1972915), (5, 1578332), (7, 1127380), (10, 789166), (14, 563690), (20, 394583), (28, 281845), (35, 225476), (70, 112738), (140, 56369)]