143984920

素因数分解:

$2^3\times 5^1\times {\mathrm{1493}}^1\times {\mathrm{2411}}^1$

素因数の和:3915

約数の個数: 32

約数和(自身を含む): 324317520

約数和(自身を除く): 180332600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1493, 2411, 2986, 4822, 5972, 7465, 9644, 11944, 12055, 14930, 19288, 24110, 29860, 48220, 59720, 96440, 3599623, 7199246, 14398492, 17998115, 28796984, 35996230, 71992460, 143984920]

約数ペア:

[(1, 143984920), (2, 71992460), (4, 35996230), (5, 28796984), (8, 17998115), (10, 14398492), (20, 7199246), (40, 3599623), (1493, 96440), (2411, 59720), (2986, 48220), (4822, 29860), (5972, 24110), (7465, 19288), (9644, 14930), (11944, 12055)]