200789990

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{184211}}^1$

素因数の和:184327

約数の個数: 16

約数和(自身を含む): 364739760

約数和(自身を除く): 163949770

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 184211, 368422, 921055, 1842110, 20078999, 40157998, 100394995, 200789990]

約数ペア:

[(1, 200789990), (2, 100394995), (5, 40157998), (10, 20078999), (109, 1842110), (218, 921055), (545, 368422), (1090, 184211)]