129260980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{4721}}^1$

素因数の和:4804

約数の個数: 36

約数和(自身を含む): 279041868

約数和(自身を除く): 149780888

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1369, 2738, 4721, 5476, 6845, 9442, 13690, 18884, 23605, 27380, 47210, 94420, 174677, 349354, 698708, 873385, 1746770, 3493540, 6463049, 12926098, 25852196, 32315245, 64630490, 129260980]

約数ペア:

[(1, 129260980), (2, 64630490), (4, 32315245), (5, 25852196), (10, 12926098), (20, 6463049), (37, 3493540), (74, 1746770), (148, 873385), (185, 698708), (370, 349354), (740, 174677), (1369, 94420), (2738, 47210), (4721, 27380), (5476, 23605), (6845, 18884), (9442, 13690)]