85274660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{643}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 189336000

約数和(自身を除く): 104061340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 349, 380, 643, 698, 1286, 1396, 1745, 2572, 3215, 3490, 6430, 6631, 6980, 12217, 12860, 13262, 24434, 26524, 33155, 48868, 61085, 66310, 122170, 132620, 224407, 244340, 448814, 897628, 1122035, 2244070, 4263733, 4488140, 8527466, 17054932, 21318665, 42637330, 85274660]

約数ペア:

[(1, 85274660), (2, 42637330), (4, 21318665), (5, 17054932), (10, 8527466), (19, 4488140), (20, 4263733), (38, 2244070), (76, 1122035), (95, 897628), (190, 448814), (349, 244340), (380, 224407), (643, 132620), (698, 122170), (1286, 66310), (1396, 61085), (1745, 48868), (2572, 33155), (3215, 26524), (3490, 24434), (6430, 13262), (6631, 12860), (6980, 12217)]