201400400

素因数分解:

$2^4\times 5^2\times {\mathrm{503501}}^1$

素因数の和:503519

約数の個数: 30

約数和(自身を含む): 483865422

約数和(自身を除く): 282465022

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 503501, 1007002, 2014004, 2517505, 4028008, 5035010, 8056016, 10070020, 12587525, 20140040, 25175050, 40280080, 50350100, 100700200, 201400400]

約数ペア:

[(1, 201400400), (2, 100700200), (4, 50350100), (5, 40280080), (8, 25175050), (10, 20140040), (16, 12587525), (20, 10070020), (25, 8056016), (40, 5035010), (50, 4028008), (80, 2517505), (100, 2014004), (200, 1007002), (400, 503501)]