264156740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{751}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 569775360

約数和(自身を除く): 305618620

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 409, 430, 751, 818, 860, 1502, 1636, 2045, 3004, 3755, 4090, 7510, 8180, 15020, 17587, 32293, 35174, 64586, 70348, 87935, 129172, 161465, 175870, 307159, 322930, 351740, 614318, 645860, 1228636, 1535795, 3071590, 6143180, 13207837, 26415674, 52831348, 66039185, 132078370, 264156740]

約数ペア:

[(1, 264156740), (2, 132078370), (4, 66039185), (5, 52831348), (10, 26415674), (20, 13207837), (43, 6143180), (86, 3071590), (172, 1535795), (215, 1228636), (409, 645860), (430, 614318), (751, 351740), (818, 322930), (860, 307159), (1502, 175870), (1636, 161465), (2045, 129172), (3004, 87935), (3755, 70348), (4090, 64586), (7510, 35174), (8180, 32293), (15020, 17587)]