31088120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{111029}}^1$

素因数の和:111047

約数の個数: 32

約数和(自身を含む): 79941600

約数和(自身を除く): 48853480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 111029, 222058, 444116, 555145, 777203, 888232, 1110290, 1554406, 2220580, 3108812, 3886015, 4441160, 6217624, 7772030, 15544060, 31088120]

約数ペア:

[(1, 31088120), (2, 15544060), (4, 7772030), (5, 6217624), (7, 4441160), (8, 3886015), (10, 3108812), (14, 2220580), (20, 1554406), (28, 1110290), (35, 888232), (40, 777203), (56, 555145), (70, 444116), (140, 222058), (280, 111029)]