28989850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{19993}}^1$

素因数の和:20034

約数の個数: 24

約数和(自身を含む): 55783260

約数和(自身を除く): 26793410

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 19993, 39986, 99965, 199930, 499825, 579797, 999650, 1159594, 2898985, 5797970, 14494925, 28989850]

約数ペア:

[(1, 28989850), (2, 14494925), (5, 5797970), (10, 2898985), (25, 1159594), (29, 999650), (50, 579797), (58, 499825), (145, 199930), (290, 99965), (725, 39986), (1450, 19993)]