157781540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1127011}}^1$

素因数の和:1127027

約数の個数: 24

約数和(自身を含む): 378676032

約数和(自身を除く): 220894492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1127011, 2254022, 4508044, 5635055, 7889077, 11270110, 15778154, 22540220, 31556308, 39445385, 78890770, 157781540]

約数ペア:

[(1, 157781540), (2, 78890770), (4, 39445385), (5, 31556308), (7, 22540220), (10, 15778154), (14, 11270110), (20, 7889077), (28, 5635055), (35, 4508044), (70, 2254022), (140, 1127011)]