199925900

素因数分解:

$2^2\times 5^2\times {\mathrm{443}}^1\times {\mathrm{4513}}^1$

素因数の和:4970

約数の個数: 36

約数和(自身を含む): 434914872

約数和(自身を除く): 234988972

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 443, 886, 1772, 2215, 4430, 4513, 8860, 9026, 11075, 18052, 22150, 22565, 44300, 45130, 90260, 112825, 225650, 451300, 1999259, 3998518, 7997036, 9996295, 19992590, 39985180, 49981475, 99962950, 199925900]

約数ペア:

[(1, 199925900), (2, 99962950), (4, 49981475), (5, 39985180), (10, 19992590), (20, 9996295), (25, 7997036), (50, 3998518), (100, 1999259), (443, 451300), (886, 225650), (1772, 112825), (2215, 90260), (4430, 45130), (4513, 44300), (8860, 22565), (9026, 22150), (11075, 18052)]