203420420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1453003}}^1$

素因数の和:1453019

約数の個数: 24

約数和(自身を含む): 488209344

約数和(自身を除く): 284788924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1453003, 2906006, 5812012, 7265015, 10171021, 14530030, 20342042, 29060060, 40684084, 50855105, 101710210, 203420420]

約数ペア:

[(1, 203420420), (2, 101710210), (4, 50855105), (5, 40684084), (7, 29060060), (10, 20342042), (14, 14530030), (20, 10171021), (28, 7265015), (35, 5812012), (70, 2906006), (140, 1453003)]