31088140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 68679072

約数和(自身を除く): 37590932

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 977, 1591, 1954, 3182, 3908, 4885, 6364, 7955, 9770, 15910, 19540, 31820, 36149, 42011, 72298, 84022, 144596, 168044, 180745, 210055, 361490, 420110, 722980, 840220, 1554407, 3108814, 6217628, 7772035, 15544070, 31088140]

約数ペア:

[(1, 31088140), (2, 15544070), (4, 7772035), (5, 6217628), (10, 3108814), (20, 1554407), (37, 840220), (43, 722980), (74, 420110), (86, 361490), (148, 210055), (172, 180745), (185, 168044), (215, 144596), (370, 84022), (430, 72298), (740, 42011), (860, 36149), (977, 31820), (1591, 19540), (1954, 15910), (3182, 9770), (3908, 7955), (4885, 6364)]