200390800

素因数分解:

$2^4\times 5^2\times {\mathrm{500977}}^1$

素因数の和:500995

約数の個数: 30

約数和(自身を含む): 481439858

約数和(自身を除く): 281049058

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 500977, 1001954, 2003908, 2504885, 4007816, 5009770, 8015632, 10019540, 12524425, 20039080, 25048850, 40078160, 50097700, 100195400, 200390800]

約数ペア:

[(1, 200390800), (2, 100195400), (4, 50097700), (5, 40078160), (8, 25048850), (10, 20039080), (16, 12524425), (20, 10019540), (25, 8015632), (40, 5009770), (50, 4007816), (80, 2504885), (100, 2003908), (200, 1001954), (400, 500977)]