203488460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1453489}}^1$

素因数の和:1453505

約数の個数: 24

約数和(自身を含む): 488372640

約数和(自身を除く): 284884180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1453489, 2906978, 5813956, 7267445, 10174423, 14534890, 20348846, 29069780, 40697692, 50872115, 101744230, 203488460]

約数ペア:

[(1, 203488460), (2, 101744230), (4, 50872115), (5, 40697692), (7, 29069780), (10, 20348846), (14, 14534890), (20, 10174423), (28, 7267445), (35, 5813956), (70, 2906978), (140, 1453489)]