281640175

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{3739}}^1$

素因数の和:3903

約数の個数: 24

約数和(自身を含む): 367297920

約数和(自身を除く): 85657745

約数列:

[1, 5, 23, 25, 115, 131, 575, 655, 3013, 3275, 3739, 15065, 18695, 75325, 85997, 93475, 429985, 489809, 2149925, 2449045, 11265607, 12245225, 56328035, 281640175]

約数ペア:

[(1, 281640175), (5, 56328035), (23, 12245225), (25, 11265607), (115, 2449045), (131, 2149925), (575, 489809), (655, 429985), (3013, 93475), (3275, 85997), (3739, 75325), (15065, 18695)]