195400

素因数分解:

$2^3\times 5^2\times {\mathrm{977}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 454770

約数和(自身を除く): 259370

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 977, 1954, 3908, 4885, 7816, 9770, 19540, 24425, 39080, 48850, 97700, 195400]

約数ペア:

[(1, 195400), (2, 97700), (4, 48850), (5, 39080), (8, 24425), (10, 19540), (20, 9770), (25, 7816), (40, 4885), (50, 3908), (100, 1954), (200, 977)]