489850

素因数分解:

$2^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:210

約数の個数: 24

約数和(自身を含む): 929628

約数和(自身を除く): 439778

約数列:

[1, 2, 5, 10, 25, 50, 97, 101, 194, 202, 485, 505, 970, 1010, 2425, 2525, 4850, 5050, 9797, 19594, 48985, 97970, 244925, 489850]

約数ペア:

[(1, 489850), (2, 244925), (5, 97970), (10, 48985), (25, 19594), (50, 9797), (97, 5050), (101, 4850), (194, 2525), (202, 2425), (485, 1010), (505, 970)]